The Hymenoptera of Suffolk: Part ii

132 THE

THE HYMENOPTERA OF SUFFOLK.

HYMENOPTERA

OF

SUFFOLK.

PORTIO SECUNDA.

Group ANTHOPHII.A—Bees.

Colletes succincta, L.—Ipswich (Rothney), Dunwich (Blair) Southwold ; widely distributed.

C. fodiens, Kirby.—Lowestoft on Ragwort (Tuck). Everywhere in sandy places.

C. picistigma, Thms.—Lowestoft on Tansy (Tuck), Copdock (Hocking), common at Kettleburgh.

C maroinata, Sm.—Timworth, Tuddenham and Culford (Nurse). Cf. EMM. 1920, p. 184.

C Daviesana, Sm.—Abundant everywhere. Cf. EMM. 1924, p. 2 Prosopis dilatata, Kirb.—Monks Soham. Cf. Proso rubicola, sp. nov. (Ent. Ann. 1869, p. 74).

P. communis, Nyl.—A pest on Rubtts-Üowers everywhere P. signata, Panz.—Copdock (Hocking), Ipswich and in a Mildenhall garden.

P. cornuta, Sm.—A female at Timworth (Nurse, EMM. 1907, p. 67), later six more there.

P. Kriechbaumen, F.—Suffolk fens (Perkins, EMM. xxxvi, p.

49), Icklingham, Brandon, Herringswell and often abundant at Tuddenham.

P. hyalinata, Sm.—Somewhat rare : Ashfield Parva, Creeting "hüls and Mellis old rectory.

P confusa, Nyl.—Copdock (Hocking); several in Parham Wood on 10 July, 1922.

P. brevicornis, Nyl.—Lowestoft (Tuck), Framlingham, Ashfield, Thorndon, Judes Bridge.

P. pictipes, Nyl.—Males taken at Bury in 1903 (Tuck); Blythbro' wood, 16 June, 1935.

Sphecodes gibbus, Linn.—Common : Brandeston, etc.

S. subquadratus, Sm.—Lackford, Nowton, Onehouse, Benacre S. puncticeps, Thms.—Lowestoft (Tuck), Foxhall, Monks Soha Bentley Woods.

S. longulus, Hag.—A specimen at Timworth about 1910 (Nurse).

S. pilifrons, Thms.—Abundant at Finbro (Tuck) ; Claydon, Barham, Lackford, Barton Mills.

S. similis, Wesm.—Brandon (Chitty), Finbro (Tuck), Barham, Lackford, Ilketshall, Monks Soham.

S. ferruginatus, Sch.—A couple of males on Angelica-Üov Blakenham locks, 1923.

S. variegatus, Hag.—By no means rare : Tuddenham, Monks Soham, Brandeston, Darsham.

THE

HYMENOPTERA OF SUFFOLK.

133

S. rubicundus, Hag.—Cornard mere, 1925 (Harwood), many of both sexes at Copdock (Hocking).

S. dimidiatus, Hag.—Copdock (Hocking), Claydon, Ipswich, Brandeston, Hoxne, Frostenden.

S. affinis, Hag.—Ubiquitous.

Halictus rubicundus, Chr.—Common : Dunwich (Blair) etc H. A-cinctus, Fab.—Blakenham Parva on 7 Sept (Kirbv • cf. Smith's Bees Gt. Brit., 27).

H. xanthopus, Kirb.—Copdock (Hocking), Bradley Magna, Brandon, Brandeston, Frostenden.

H. leucozonius, Sehr.—Dunwich (Blair), Southwold, Benacre, Covehithe, Fordley, Felixstow.

H. sonulus, Sm. A female at Hollesley on 4 August 1899 (Hocking) : quite rare with us.

H. \-notatus, Kirb.—Abundant.

H. leevigatus, Kirb.—Not found here since first described, from Barham by K i r b v : tili a female was taken in Wangford Warren, near Brandon on 31 Mav, 1929 y (Morley). ' H. 6-notatus, Kirb.—Corton, 1925 (Blair); Barham.

One on Angelica-Üower at Staverton in Butley, August 1917.

H. prasinus, Sm.—Brandon, Tostock. Taken at T u d d e n h a m in June by Nurse ( E M M . 1907, p. 67).

H. cylindricus, Fab.—Ubiquitous.

H. albipes, Kirb.—Hardly rarer than the last.

H. pauxillus, Schk.—Very rarely found : on Scabious-flower in Blythburgh Wood, 1914.

H. fulvicornis, Kirb. (subfasciatus, Suff. Cat.).—Tostock (Tuck) Cavenham ( E M M . 1907, 67).

H. Freygessneri, Alfk.—Both sexes at N. Cove and Gunton 1923 (cf. E M M . 1906, p. 201).

H. villosulus, Kirb.—Abundant.

H. lanis, Kirb.—Barham and Nacton, taken by Kirby. N o t found here later.

H. puncticollü, Mor.—Very rare : a Single female at Framlingham 5 15 June 1922.

H. brevieeps, Saund.—Two females near Copdock in 1899 ( E M M xxxvi, p. 46).

H. deeipiens, Perk.—Co-types of this New Species are from Suffolk (loc. cit. 1913, p. 63).

"• Punctatissimus, Schk.—Lowestoft (Tuck), Southwold Barton Mills, Brandon, Martlesham.

11 • mtidiusculus, Kirb. ™nutus, Kirb.

All quite common. minutissimus, Kirb.

J H. tumulorum, Linn.—Distinctly local: Rushford, Monks Soham, framlingham, Lakenheath, etc.

Q

134

T H E HYMENOPTERA OF SUFFOLK.

H. Smeathmannellus, Kirb.—Uncommon : Bury (Tuck), Yoxford, Martlesham, Bramford, etc.

H. norio, Fab. H. leucopus, Kirb. j» All abundant.

Andrena albicans, Kirb.

J A. pilipes, Fab.—Very local: Brandon (Perkins), Copdock (Hocking), Barham (Rothney), Dunwich (Blair), Brandeston and common at Easton cliff.

A. tibialis, Kirb.—Common.

A. bimaculata, Kirb.—Locally abundant. i A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A. A.

Abundant in spring.

thoracica, F a b . — S u d b u r y (Harwood), Copdock (Hocking), Monks Soham, on sallow Barham. nitida, Fourc.—Not uncommon. eineraria, Linn.—Extremely rare and local: One male by Lathbury ; and near Brandon.

Clarkella, K i r b . — R a r e : Nayland and Bentley (Harwood, E M M . 1884, 212) ; Ipswich in 1894. fulva, Sehr. "i nigroanea, Kirb.

All sufficiently common.

Gwynana, Kirb. J angustior, Kirb.—Local : Copdock (Hocking), Bentley, Hoxne. pracox, Scop.—Locally common : Nayland and near Sudbury (Harwood, I.e.), Stuston. apicata, Sm.—Rare : a male at sallow-blossom at Parham Wood on 29 April 1922. synadelpha, Perk. (ambigua).—Tuddenham in June (Nurse), Brandon, Barton Mills. spreta, Perez.—Mixed with last: Not rare at Ashfield Parva and about Southwold. varians, Ross. "i helvola, Linn. j* All sufficiently common. fucata, Sm. J sericans, Perk.—Dunwich in September 1928 (Blair). tridentata, Kirb.—Locally not r a r e : Copdock (Hocking), Ampton and T u d d e n h a m (Nurse). nigrieeps, Kirb. fuseipes, Kirb.

I Somewhat local, but by no means denticidata, Kirb. uncommon. fulvicrus, Kirb. ferox, Sm.— Extremely r a r e ; a single untypical male at Brandon Staunch on 25 May, 1932 (Morley).

Cetii, Sehr. ) Fairly common in respectively, August cingulata, Fab. ) and early May. Hattorfiana, Fab.—Males in Knautia arvensis flowers at Copdock, 13 July (Hocking).

THE HYMENOPTERA OF SUFFOLK.

A. A. A. A.

135

albicrus, Kirb.

-> chrysosceles, Kirb. > Abundant everywhere.

Coitana, Kirb.

J fulvago, Chr.—Usually scarce, but plentiful at Barham in June 1799 (Kirby). Not noticed here since.

A. labialis, Kirb.—Locally common, especially at Frostenden.

A. Itumilis, Imh.—Females common on Chcerophyllum-Howcr, Bentley Woods, June 1924.

A. niveata, Fries.—'Tostock, 1900 (Tuck); Brandon (EMM. 1899, 154; xxxvi, 4 6 ; 1907, 67; 1913, 111.)

A. minutula, Kirb.—Abundant.

A. nana, Kirb.—Bernard Harwood, near Sudbury in 1932, took the first specimen since Kirby's type.

A. Saundersella, Perk. (nana, auct.).—A male in Monks-park Wood on 29 May, 1935 ; abundant.

A. proxima, Kirb.—Barham and Blakenham Magna. A female about Copdock, 1900 (Hocking).

A. dorsata, Kirb.

A. similis, Sm. All quite common kinds.

A. Wilkella, Kirb.

A. Afzeliella, Kirb.

Cilissa leporina, Panz.—Copdock (Hocking), Southwold, Framlingham, etc. : locally common.

C. hämorrhoidalis, F.—Barham and Felixstow. Not recorded since 1896.

Dasypoda hirtipes, Latr.—Shrubland (Vinter), Bungay (Tuck), Tuddenham (Nurse), Covehithe.

Panurgus calcaratus, Scop.—Both sexes on Martlesham Heath (Kirby). Not seen since.

P. ursinus, Gmel.—Extremely local: Lound, Lowestoft, Nacton.

Males at Tuddenham (Nurse).

Nomada solidaginis, Pz.—Locally abundant: Martlesham, Dunwich, Southwold, Barton Mills.

N. fucata, Panz.—Not recorded since Lathbury and Kirby took it about 1799.

AT. succincta, Panz.—Uncommon in Mav: Needham in 1911 (Platten), Bramford and Parham Wood.

N. 6-fasciata, Panz.—A female at burrows of Eucera longicornis near Copdock (Hocking).

N. guttulata, Schk. Bentley Woods in May 1897. Thrice since taken (EMM. 1906, p. 204).

-V. lineola, Panz.—Frequent : Frostenden, Covehithe, Southwold, Barham, Brandon, etc.

-V. alternata, Kirb. , . , „ , , . n N. jacobcea, Panz. * Both locally abundant.

-V. Lathburiana, Kirb.—Suffolk (Kirby, Marsham), near Woodbridge (Lathbury). Not seen here since.

136

THE HYMENOPTERA OF SUFFOLK.

N ruficornis Linn. , ßoth common.

N. bifida, Thms. > N. bucephalce, Perk. Tr. Ent. Soc. 1919, p. 314.—A female Aying at oak-stool, Bentley Woods, 25 May, 1935.

N. borealis, Zett.—Occasionally in Bentley Woods, etc.

N. ochrostoma, Kirb.

N flavoguttata, Kirb.

All of frequent occurrence.

N. furva, Panz.

J N. lateralis, Panz.—Somewhat rare at Bentley Woods and and Stuston in May. N. Fabriciana, Linn.—Uncommon : Framlingham, Monewdon, Coddenbam and Bentley Woods.

N. ferruginata, Kirb.—One female in Hieracium pilosella flower, Stuston Common, 6 May 1922.

Epeolm productus, Thms. , N e i t h e r u n c o m m o n a m o n g Calletes.

E. rufipes, Thms. > Ceratina cyanea, Kirb.—Extremely local: Nayland, rare (Harwood, E M M . 1884, p. 213).

A dozen examples in Shrubland Park on 5 and 23 July, 1923.

Chelostoma florisomne, L.—Has become curiously abundant everywhere since 1899.

C. campaniilarum, Kirb.—Quite rare : Barham, Brandon, Tostock, Rushbrook, Copdock (Hocking).

Coelioxys conoidea, III. (Vectis: delete Tuck's 1899 record).

Timworth, one in 1911 (Nurse).

C. 4-dentata, Linn.—Copdock (Hocking), Needham (Platten), Mildenhall, Southwold, Bentley.

C. rufescens, Lep.—Copdock (Hocking); not rare about Brandon and Blythburgh.

C. elongata, Lep.—Scattered everywhere: Dunwich (Blair), Parham (Vinter), etc.

C. acuminata, Nyl.—Uncommon: Monks Soham garden, Bentley Woods, Tuddenham Fen. Megachile maritima, Kirb.—Suffolk (Samouelle, 1819) ; Tuddenham, 1901 (Blair); Copdock (Hocking); Sizewell, 1936 and Frostenden.

M. Willoughbiella, Kirb.—Scattered everywhere.

M. circumcincta, Lep.—Nayland (Harwood), Dunwich, Southwold, Brandeston, Redgrave, Bentley.

M. ligneseca, Kirb.

-| M. centuncularis, L. V Generally distributed.

M. versicolor, Sm. J M. argentata, Fab.—Still common at its Felixstow site, despite building encroachment.

Osmia rufa, Linn.

1 Common O. ccerulescens,

O. Leaiana,

L.

K. (fulviventris, Suff. Cat).

j*

J

everywhere.

THE I I Y M E N O P T E R A

OF SUFFOLK.

137

0. pilicornis. Sm.—Rare : One near Copdock (Hocking), Bentley Woods in 1924.

O. xanthomelana, Kirb.—Kirby's record is now confirmed in Monks-park and Bentley Woods O. bicolor, Sehr.—Extremely rare : not noticed here since 1899 !

O. auriilenta, Panz.—Kirby's record from Henley near Ipswich is still unique.

O. leucomelana, Kirb.—The species was very abundant in 1899 (Perkins, EMM. 1900, 173).

O. spinulosa, Kirb.—Extremelv local : found annually at Tostock (Tuck).

Stelis aterrima, Panz.—Felixstow (Gibbs), Copdock (Hocking), very rare at Frostenden.

S. phaoptera, Kirb.—Barham, Brandon, Tostock, Bungay [and Wicken in Cambs. (Chitty)].

S. 8-maculata, Sm.—Brandon, five in 1899 (EMM. 1900, p.

173); more there in 1926-27.

Anthidium manicatum, L.—Common on Burrdock-flowers everywhere.

Eucera longicornis, L.—Tuddenham, 1901 (Blair); numerous near Barham rectory (Rothney, in lit. 1900); Copdock (Hocking), very rare at Bentley Woods in 1923-4. Apparently dying out.

Melecta armata, Panz.—In most sand and gravel-pits : Ipswich (Platten), Copdock (Hocking).

M. luctuosa, Scop.—Extremely rare : One female in Brandeston gravel-pit, 3 May 1922.

Anthophora retusa, L. A. pilipes, Fab. >• All of frequent occurrence.

A. furcata, Panz.

J Saropoda binaculata, Pz.—Still rests on Kirby's Woodbridge record. [Abounds in the New Forest.]

Psithyrus rupestris, Fab. .

P- vestalis, Fourc. ' Inquiline Bumble-bees, constantly P. barbutellus, Kirb. f seen.

P. campestris, Panz.

J P- q'iadricolor, Lep.—Tostock and near Brandon, the least common of its genus.

Bombus Smithianus, Wht. i B. venustus, Sm. j- Ubiquitous true Bumble-bees.

B. agrorum, Fab. J B. llTäUdlul, "Kirb. [ Widely distributed, but rather local B. sylvarum, Linn.

B- lapidarius, Linn. } Abundant everywhere.

B. pratorum, Linn.

J B• Derhamellus, Kirb.—Barham, Tostock and wide-spread around Brandon.

138

THE

HYMENOPTERA OF SUFFOLK.

3. Jonellus, Kirb.—Rare at Barham, but workers abundant on Heather at Lowestoft.

B. Cullumanus, Kirb.—A male at Barton Mills, after 1911 (EMM. 1923, p. 277) : confirms Kirby.

B. Sorcensis, Fab.—Both sexes near Ipswich, and a male at Barton Mills.

B. terrestris, L i n n . — T h e Common Bumble-bee.

Apis mellifica, Linn.—Honey Bee. Nesting wild in an elm at Brantham in July 1899.

Total is 324 Suffolk species of Aculeata, out of (say) 408 in Britain.

CHRYSIDIDAE. Ruby Tails.

Cleptes pallidipes, Lep.—Sandhills, July and August, common (Paget); Pakefield (Ent. Annual 1860, 92). On poplar at Kenny Hill in Mildenhall; Aying by Gipping, Ipswich.

C. nitidula, Fab.—Swept in marshes at Brantham and Mildenhall in late June ; on umbelliferous flowers at Blakenham Parva chalk-pits in August. Both species were first taken during 1836 in a little wood near Sudbury (Ent. Mag. iv, 233).

Notozus Panzeri, Fab.—Several by sweeping heath-grasses in Barton Mills woods in July (Elliott); T u d d e n h a m in 1922 (Harwood) and singlv at Brandon.

Elampus aneus, Fab.—Very rare in mid-July in marshes at Bramford and Brandeston.

E. auratus, L i n n . — I n Brandon district, 1899 (Perkins); singly in July at Levington Heath, Shrubland Park and Parham.

Hedvchridium integrum, Dhlb.—Suffolk ( E M M . 1900, p. 108).

In Breck district during 1916 and at T u d d e n h a m in 1922 (Harwood). Brandon in late June 1914, 1918 and 1922.

H. roseum, Ross.—Extremely rare : one female entering a Bee's hole in the Frostenden brick-pits on 27 July 1926.

H. ardens, Coq.—Mildenhall (Perkins); singly at Brandon, Bentley Woods and Staverton.

Fledvchrum nobile, Scop.—A single specimen at Tuddenham ' i n July, 1916 (Harwood). A couple of females on Heracleum-Üower in Bramford marshes on 17 July, 1901.

Chrysis neglecta, Shk.—One in the above Frostenden brick pit, at Aculeates' burrows, on 30 July, 1926.

C. succincta, Linn.—Used to occur on Heracleum-Üowers at Bentley Woods, but not seen for twenty years.

C. cyanea, Linn.—Generally distributed and common at Aculeates' b u r r o w s : Dunwich (Blair), etc.

C. viridula, Linn.—Extremely r a r e : One in a gravel-pit at Bentley Woods, 30 May, 1927.

THE

HYMENOPTERA OF S U F F O L K .

139

C. Ruddi, S h k . — H a s been discovered in the Breck district about Brandon (Perkins).

C. ignita, L i n n . — O u r only a b u n d a n t species, flashing about posts everywhere.

T< tal is 15 Suffolk species of Chrysididae, out of 22 in Britain (EMM. 1901, p. 247).

CHALCIDID/E P a r a s i t e s of Aphid^e,

etc.

Chalcis minuta, L i n n . — S p r o u g h t o n , on flowers by G i p p i n g in J u n e 1895.

Smicra sispes, Linn, (clavipes, Retz.).—Rather c o m m o n in Gorleston marshes during August (Paget) ; Finboro Park (Tuck, T r . N o r f . Soc. 1900). ^ M a n y in Oulton Broad in August, 1898 ; not since seen. [Swept at Leigh in Essex, July 1901 (Stanley Kemp).]

Eucharis adscendens, F a b . — S w e p t in T u d d e n h a m F e n on 6 M a y , 1907.

Perilampus ruficornis, Fab.—Assington T h i c k s and Bentlev W o o d s .

Decatoma biguttata, Swed.—Bred f r o m galls on Centaurea scabiosa at N e w m a r k e t in 1914 (Collin).

N o t u n c o m m o n at Bramford, Eriswell, etc., in J u n e and August.

Var. obscura, Curt., at Reydon in September.

D. mellea, C u r t . — S w e p t at Faston Broad on 2 September, 1910.

D. minuta, C u r t . — O f t e n a b u n d a n t on reeds at Covehithe and Easton Broads in a u t u m n [and at H o r n i n g , Norfolk, 1922], Eurytoma annulipes, Wik.—Bred f r o m (?Urophora cardui in) thistles.

E. aterrima, Sehr, (vertic.illata, III.).—Swept at Brandon and Eriswell.

E. gracilis, W i k . — A p p a r e n t l y rare in the same Breck District.

E. longipennis, W a l k . — Corton ex Isosoma hvalinipennis, infra (Blair).

E. rosa, N e e s . — O u s d e n , T u d d e n h a m , Barton Mills, Bentley, Burgh Castle, etc., a b u n d a n t .

Isosoma angustata, W i k . — S w e p t in Barnby Broad on 5 July, 1906.

I. angustipennis, W i k . — N o t rare at Foxhall, Bentley and T u d d e n h a m in May. I. attenuata, W i k . — S w e p t at W o r t h a m on 9 J u n e 1900.

I. brevis, W i k . — A male at Southwold in late M a y 1905.

I. depressa, W i k . — F o u n d on grass at Nacton during May, 1900.

I. hyalinipennis, Walk.—Kessingland (Blair : E M M . 1926, p. 236).

I. longicornis, W i k . — M a l e taken in Bentley W o o d s during June.

I. minor, Wik. (elongata, Wik.).—Abundant everywhere, Foxhall, etc.

Systole albipennis, W i k . (nitida, Wik.).—Barton Mills in J u n e .

Monodontomerus nitidus, Newp.—Tostock in bees' nests ( T u c k ) ; several on M o n k s S o h a m house-windows in J u l y .

140 THE HYMENOPTERA OF SUFFOLK. M. obscurus, Westw.—Many at Tostock (Tuck); house-windows at Monks Soham.

M. obsoletus, Fab.—In nests of the above Megachile centu Ashfield Parva, Monks Soham.

Oligosthenus Stigma, Fab.—Tostock in 1902 (Tuck); man bred at Bentley Woods from galls of Rhodites rosa.

Megastigmus dorsalis, Fab.—Common : Lowestoft den Wenhaston, Easton Broad, etc.

M. pictus, Fst.—Frequent: Herringswell Fen, Southwold, Monks Soham, etc.

Torymus bedeguaris, L. —Abundant on Heracleum-Üo Monks Soham, etc.

T. chloromerus, Wik.—Southwold, Bentley, Rendlesham : doubtless common.

T. curtus, Wik.—Monk Park and Bentley woods ; frequent on lime in Monks Soham garden.

T. dauci, Wik.—Swept from reeds in Buss Creek at Southwold, late in 1907.

T. erucarum, Sehr.—Rarely taken wild on umbelliferous flower-heads.

T. exilis, Wik.—Noticed only in Bentley Woods in autumn.

T.flavipes,Wik—On umbells at Claydon bridge and Mildenhall in August.

T. geranii, Wik. (glechomae, Fst.).—Doubtless common in Ground Ivy. T. nigricornis, Fab. (regius, Nees).—Abundant in galls of above Cynips Kollari.

T. roboris, Wik. (nobilis, Boh.).—Tostock (Tuck) ; Barnby Broad, Judes bridge, Bentley, etc.

T. viridiameus, Wik.—Rarely seen ; Tostock (Tuck), Mettingham in October.

Lioterphus nitidulus, Wik.—Not rare about Ipswich : Foxhall Ormvrus sericeus, Nees.—Swept at Palmers Heath in Brandon on 22 June, 1914.

Eupelminus excavatus, Dalm.—Rarely swept: at Blakenha Parva in September, 1897.

Eupelmus DeGeeri, Dalm.—Not rare : Monks Soham in 190 (Newbery), Monewden, Corton, Kessingland, Mildenhall, Letheringham ; Sizewell denes by sea on 18 September.

Microterys tessellatus, Dalm.—Abundant all over the Breck Spruce fir: W. Stow, 1936.

Cerapterocerus mirabilis, Westw.—Southwold, July 1 (Saunders) ; Blythburgh heath in rabbit-hole, 20 September.

Comys Szvederi, Dalm—Rarely swept at Wherstead and Tuddenham in July.

Dinocarsis hemiptera, Dalm.—Tuddenham Fen and Covehithe Broad in August.

Choreia inepta, Dalm.—Rarely seen, in July : Barton Mills and Felixstow marshes.

THE HYMENOPTERA OF SUFFOLK.

141

Aphycus hederaceus, Westw.—Abundant among ivy on Monks Soham house.

Encyrtus (Tyndarichus, Howard 1910) scaurus, Wik.—Dunwich, ex Eupithecia castigata (Blair, teste Warterstop).

Macroglenes penetrans, Kirby.—Bramford, and always abundant in Monks Soham paddock.

Asaphes cenea, Nees.—Dunwich during June, 1926 (Blair).

Theocolax formiciformis, Westw.—An abundant parasite of [? the below Spathius exarator on] the Death-watch Beetle (Anobium domesticum): Southwold, Monks Soham.

Spalangia nigra, Latr.—Swept in Henstead marsh during September, 1912.

Lamprotatus splendens, Westw.—Common : Wherstead, Bawdsey, Brandon, etc.

Halticoptera patellana, Dalm.—Frequent parasite of Diptera (Ascidia and Tephritis): Easton Broad, Wenhaston, etc.

Meromalusflavicornis,Wik.—Common about Walberswick.

Coryna clavata, Wik.—An abundant hyperparasite on Aphides.

Pachynenron formosum, Wik.—Elveden in May [and Chippenham Fen, Cambs.].

Trigonoderus obscurus, Wik.—Frequently seen on dead wood : Monks Soham, etc.

T. princeps, Westw.—With the last in Monks Soham garden.

Cleonymus depressus, Fab.—Common on windows and at beetleborings in Willow: Monks Soham, etc.

Micromelus pyrrhogaster, Wik.—Common in sand-pits everywhere : Gisleham, Butley.

Caratomus megacephalus, Fab.—Rare: windows of Bentlev Tankard, now defunct; Bentley Woods, and many on brick-walls at Monks Soham in June 1919.

C. nigripes, Wik.—One one window of Monks Soham study, 31 July, 1907.

Cheiropachys Colon, L. (quadrum, Ww.).—Locally common at Sothertön and Belstead.

Arthrolytus maculipennis, Wik.—Parasite of Scolytus multistria and Hylesinus fra xini: Bentley Woods, etc.

Pteromalus Glautias, Wik.—Bred from Trypeta Colon in Centaurea scabiosa, Newmarket, 1914 (Collin).

P- latus, Wik.—Abundant about Ipswich.

P. puparum, Linn.—Frequently bred from Lepidoptera, e.g.

Vanessa urticee at Dunwich.

Euplectrus bicolor, Swed.—Frequent, May and September: Barton Mills, Tuddenham Fen, Henham Park and Monks Soham.

Tetrastichus species.—Bred from Gracilaria phasianipenella a Dunwich in 1933 (Blair).

Eulophus ramicornis, Fab. (damicornis, Kirby).-Doubtless abundant.

Total of this ill-worked family is 72 Suffolk species, out of 1424 in Britain (Morley's 1910 British ' Catalogue').

142

THE HYMENOPTERA OF SUFFOLK. ICHNEUMONID/E. PARASITIC SUBFAMILY

ICHNEUMON-FI.IFS. ICHNEUMONIN^;.

IJstrodromus nycthemerus, Gr.—Rare: on Monks Soham windows, when first and second broods of Lyccena argiolns emerge.

Hoplismenus albifrons, Gr.—Sparingly on fiowers at Walberswick and Brandon.

Automalus albogutiatus, Gr.—Taken near Bury by Wrattislaw (in coli. Beaumont) and at Lowestoft (Rcv. lehn, IV, 79).

Tragus lutorius, Fab.—Bred at Aldeburgh from Deilephila galii, manv veats ago.

T. exaltatoi ins, P z — T a k e n near Bury by Wrattislaw (in coli.

Beaumont).

Protichneumon fuseipennis, Wsm — Captured with the last species.

P. laminatorius, Fab.—As last; bred at Aldeburgh from Deilephila galii; and at Sproughton, Bramford, Sudbury, not rarely from Chcerocampa elpenor.

Coelichneumon lineator, Fab.—Rarely captured in Bentley Woods.

C lioenemis, Thoms.—Monks Soham windows ; and bred from Noctua at Brantham.

C. impressor, Zett.—Not rarely bred from Gortyna ochracea from Beccles at Gorleston.

C. castaneiventris, Gr.—Ispwich and Assington Thicks in spring.

Stenichneumon culpator, Seh—Apparently rare. [St. Ives and Wicken, in Cambs.]

S. pistorius. Gr.—Equally rarely seen. [Horning Ferry, NortolkJ. S. trilineatus, Gm.—Common parasite of Current M o t h : Ipswich, Clopton, Martlesham, Monks Soham, etc.

S. ochropis, Gm.—Flying in Blythburgh Wood in September, 1929. pictus, Gr.—Bred from Thera obeliscata at Dunwich in 1933.

Cratichneumon rufieeps, Gr.—Sure to occur with us. [Kings Lynn, several, Norfolk.]

C. rufifrons, Cr.—Abundant in all woods in spring: Monks Soham garden, etc.

C. nigritarius, Gr.—Covehithe (Curtis), Bentley, Assington.

C. dissimilis, Gr.—Martlesham in August, 1926.

C. fabricator, Fab.—Very common in woods everywhere.

C. annulator, Fab.—More frequent in woods than the last: Monks Soham windows. .

C. fugitivus, Gr.—Ipswich, Tuddenham Fen, etc. : occasional.

C. coruscator, L — R a r e about Ipswich in August.

C. Gravenhorsti, Fnsc.—Taken near Bury by Wrattislaw (in coli. Beaumont).

C. albilarvatus, Gr.—Abundantly beaten from oak in woods.

C. lanius, Gr.—As common on oak in woods as the last.

C. variipes, Gr.—Occasionallv beaten from birch at Bentley Woods in spring.

THE

HYMENOPTERA

OF

SUFFOLK.

143

Melanichneumon leucomelas, Gm.—Oulton (Bedwell), Bury (Beaumont), Ipswich (Platten).

M. dumeticola, Gr.—Rare : a female on Monks Soham window on 25 June, 1923.

M. bimaculatorius, Pz.—Covehithe Broad in October 1900.

[Horning, Norfolk, 1922.]

M. saturatorius, L.—Covehithe, Easton, Southwold, Brandon : par. on Cinnabar Moth.

M. perscrutator, Wsm.—On carrot flower in Tuddenham Fen on 29 August, 1902.

M. sanguinator, Rsi.—Very rare : Bentley Woods on 26 July, 1897, on flowers.

Barichneumon anator, Fab.—Taken in Bury (Tuck) and in June, 1916 on Monks Soham window.

B. ridibundus, Gr.—August on Lowestoft denes, and Silaus flowers at Freckenham.

B. sexalbatus, Wsm.—On poplar at Brandon in early August.

B. incubitor, L.—Apparently rare : Tuddenham Fen. B. vacillatorius, Gr.—Common : in marshes at Foxhall, etc.

B. Eupithecia, Brsh.—Beaten from very old oaks in Staverton Thicks on 11 July 1914.

B. cdbicinctus, Gr.—Abundant: Tostock, Finbro (Tuck), Bentley, Barton Mills, Monks Soham.

B. derogator, Wsm.—Tostock (Tuck), early in June 1900.

B. bilunulatus, Gr.—Frequent : Lowestoft, Freckenham, Letheringham and both at light and on windows in Monks Soham.

B. vestigator, Wsm.—Common everywhere on flowers.

B. lepidus, Gr.—Rarer than the last: Wisset, Southwold, Barnby.

B. chionomus, Wsm.—Uncommon at Benacre in 1929, and on Monks Soham windows in 1925.

Ichneumon deliratorius, L.—Flying in Parham Wood during August.

I. xanthorius, Fst.—Tostock (Tuck), Bentley, Ipswich, Dunwich, Easton, etc.

I. sarcitotius, L.—Common everywhere in woods and on flowers.

I. lautatorius, Desv.—One female at Kessingland on 11 September, 1900 (Bedwell).

I. multipictus, Gr.—A female swept in swamp at Parham Wood on 7 August, 1917.

1. latrator, Fab.—Abundant at roots of grass in winter.

I. subquadratus, Th.—With that last and hardly rarer ; in summer on flowers. /. monitoris, Gr.—Rare around Ipswich in November and February.

I. bucculentus, Wsm.—Apparently not common in this County.

I. suspiciosus, Wsm.—Fairly common on flowers in Spetember.

L languidus, Wsm.—Noticed only at Brandon during September.

144

THE HYMENOPTERA OF SUFFOLK.

I. extensorius, L.—Common in winter grass-tufts, and on the wing in spring.

I. gradarius, Wsm.— First found in Britain at Tuddenham ; par. of Charceas graminis.

I.gracilentus, Wsm.—Not uncommon in May: Bentley Woods, etc.

I. confusorius, Gr.—Common everywhere, especialy in winter grass-tufts.

I. albiger, Wsm.—Found with the last, in moss ; and at Oulton Broad in May. I. primatorius, Fst.—A male on Angelicaflowersat Barnby Broad in August, 1898.

1. gracilicornis, Gr.—Certainly uncommon with us : Frostenden.

I. queesiiorius, L.—A female bred from Nonagria typha Beccles in 1931 (Doughty).

1. insidiosus, Wsm.—Females common in winter grass-tufts : Bentley Woods, etc.

I. raptorius, Gr.—As common as, and occurring with, the last.

Exephancs lularis, Gr.—Rare : the female has occurred once twice only.

Chasmias motatnrius, Fab.—Common : Covehithe, Frostendo Bramford, etc,. in winter.

Limerodes arctiventris, Boie — Close tc the sea on marram-g Lowestoft and Southwold.

Ctenichneumon castigator, Fab.—Rarely seen : by Dunvvich 24 September, 1930.

C. funereus, Frc.—One taken near Bury by Wrattislaw (in coli. Beaumont).

C. amputatorius, Pz.—A female at Tuddenham on 21 August, 1924 (Harwood : cf. EMM. 1910, p. 37).

C. messorius, Gr.—Taken in " Suffolk " by Fred. Smith (Lowesto 1858 ? ; in Mus. Brit.).

C. divisorius, Gr.—Onflowers,local; abundant at Freckenham on Silaus in August 1930.

C. heereticus,Wsm.—A pair onflowersat Easton Bavents c in July, 1924.

Spilichneumon occisorius, Fab.—Rarely seen: in Ana ca tufts, Bentley Woods, etc.

Amblyteles palliatorius, Gr.—Abundant everywhere in wood where females hibernate. .

A. glaucatorius, Fab.—Rare : a male taken at Tuddenham dur 1925 (Harwood).

A. vadatoris, III.—Local: " Suffolk " (Mus. Brit.), Tuddenham and Freckenham on Silaus.

A. fiegatorius, F a b . — " Suffolk" (Mus. Brit.), Claydon and Southwold on flowers.

A. subsericans, Gr.—Bury by Wrattislaw (Beaumont) ; rare abo Brandon in September.

A. armatorius, Fst.—An abundant species everywhere.

THE HYMENOPTERA OF SUFFOLK.

145

A. oratorins, Fab.—In swamps: Reydon, Ashfield Parva, Kessingland and bred from Noctua at Benacre.

A. castaneopygus, Ste.—Rarely seen : swept from reeds in Tuddenham Fen, August, 1902 A. uniguttatus, Gr.—Certainly uncommon : taken near Bury

by Wrattislaw (Beaumont).

Hepiopelmus leucostigmus, Gr.—Taken at Tostock in October, 1902 (Tuck).

Anisobas hostilis, Gr.—One caught Aying at Cransford on 13 June 1918.

Probolus alticola, Gr.—Not frequent with us : both sexes taken near Bury (Tuck).

Tricholabus strigatorius, Gr.—Both sexes bred at Sudbury from Euclidia mi in May, 1920 (Harwood).

Eurylabus tristis, Gr.—Several at Hepworth in 1933 (Kirkby) and ' Easton Bavents in July, 1922.

Platylabus rufus, Wsm.—Rarely seen: Reydon, beaten from alder in September, 1910.

P. pedatorius, Fab.—Common at times : Bramford, Tuddenham, Ashfield Parva, Monks Soham.

P. phaleratus, Hai.—Tuddenham Fen in 1902-6 on Salix cinerea : extremely local.

P. tenuicornis, Gr.—Once found in the I pswich district.

P. albinus, Gr.—Rarely seen : Tuddenham Fen in the middle of June.

P. orbitalis, Gr.—Bred from Anticlea sinuata near Timworth in 1912 (Nurse).

P. decipiens, Wsm.—On flowers in Tuddenham Fen during August 1928.

P. nigricollis, Wsm—Taken in Bentley Woods at the end of May. P. pactor, Wsm.—Bred from Drepana lacertula pupa at Dunwich.

Stenodontus marginellus, Gr.—Found on Vicia sativa there at the end of June.

Herpestomus brunneicornis, Gr.—Common: Tostock (Tuck), Bentley Woods, etc.

H. nasutus, Wsm.—Beaten from poplar on Lowestoft denes in August 1908.

H. arridens, Gr.—Swept in Barnby Broad during the smae month.

Ph. ceogenes argutus, Wsm.—Common during hibernation: grass-roots in Bentley Woods.

P. stipator, Wsm.—Bred from larva of Orthoteelia sparganella at Bamham in 1909 (Nurse); Ispwich.

P. semivulpinus, Gr.—Common : Tostock (Tuck), etc.

P. melanogonus, Gm.—Not infrequent in Bentley Woods.

P. ophthalmicus, Wsm.—Abundant: Bury (Tuck), Barnby, Farnham, Tuddenham, etc.

P. fiiscicornis, Wsm.—Hardly rarer than the last.

P. infimus, Wsm.—First found in Britain in the Bentley Woods, commonly.

146

THE HYMENOPTERA OF SUFFOLK.

P. eques, Wsm.—First found in Britain in Assington Thicks May, 1902.

P. ischiomelinus, Gr.—Common : Tostock (Tuck), Barnby Broad P. maculicornis, Ste.—Common; Bury (Tuck), Barton Mills, Bentley, Foxhall.

P. stimulator, Gr.—Widely distributed in woods ; Barton Mills, Assington, Bentley.

P. callopus, Wsm.—Common ; Bury (Tuck), Monks Soham on oak, Bentley Woods, etc.

P. fulvitarsis, Wsm.—Common ; Tostock and Finbro (Tuck), Bentley, Aldbro, Bramford.

P. ruslicatus, Wsm.—One at Tuddenham Fen in June.

Diadromus troglodytes, Gr.—Apparently not common ; Bentl Wood in April.

D. subtilicornis, Gr.—Occurs from Brandon to Ipswich in summer.

D. variicolor, Wsm.— Finbro Park in October (Tuck), Bentley Woods in April.

D. collaris, Gr.—Common everywhere ; Finbro (Tuck), Monks Soham, etc.

JEthecerus longulus, Wsm.—Ipswich in September.

JE. placidus, Wsm.—Occasionally from Burgh Castle to Assington.

JE. nitidus, Wsm.—Barton Mills during June. /E. discolor, Wsm.—Bentley Wood in mid-September.

JE. dispar, Wsm.—Apparently rare ; Dunwich in early August.

Dicetlotus pumilus, Gr.—Very common ; Finbro (Tuck), Stoke Park (Platten).

D. Cameroni, Bdg.—Common; Ipswich, Barton Mils,Tuddenham.

D. rufilimbatus, Gr.—Once found at Tostock in September (Tuck).

D. parvulus, Gr.—Foxhall, Southwold, Blythburgh Wood and Barton Mills.

D. pusillator, Gr.—Confirmed as British by a pair at Southwold (EMM. 1916, p. 97).

Colpognathus divisus, Th.—Abundant in winter ; Tostock (Tuc Oulton (Bedwell), etc.

Centeterus major, Wsm.—Common about Brandon, Ipswich, Tuddenham, etc.

C. confector, Gr.—Probably not rare ; Henstead marshes, etc.

C. opprimator, Gr.—Mildenhall, Barnby Broad, Staverton Thicks and Bramford.

Ischnus nigricollis, Wsm.—Two or three bred from dock-stems, Cornard-road, Sudbury, 6 March 1926 (Harwood) ; Badley Walk ; Ipswich.

Hemichneumon elongatus, Ratz.—Bentley and bred fr Coleophora at Ipswich.

Melanomicrus Elliotti, Morl.—Named after our Hon. Treasurer.

Belstead, Barton Mills and Elveden, on fir [also Shere, Surrey ; Feidon, Herts; and Paislev, Renfrew].

THF HYMENOPTERA OF SUFFOI-K.

Alomyia debellator, Fab.—Tostock r l uddtnham fen to Benacre.

SUBFAMILY

(Tuck) ; abundant

147 from

CRYPTIN/E.

Plectocryptus digitatus, Gm.—Ipswich and Bentley Woods in May. Trichocryptus cinctorius, Fab.—Oulton Broad (Bedwell), Barnby Broad ; local.

T. aquaticus, Th.—Finbro Park on 24 Sept. 1900 ( T u c k ) : sole British example.

Cratocryptas stomaticus, Gr.—Uncommon ; Bramford marshes, etc.

C. anatorius, Gr.—Not rare; Tuddenham (Nurse), Monks Soham, Bramford marshes.

C. subpetiolatus, Gr.—Extremely rare ; once in Bentley Woods in June, 1896.

C. parvulus, Gr.—Benacre Broad (Tuck), Barnby Broad and Henstead.

Cubocephalus nigriventris, Th.—Bentley Woods and north Rushmere.

C. brevicornis, Tasch.—One female at burrows of Chelostoma florisomne in Bentley Woods on 13 June, 1929.

C. oviventris, Gr.—Common ; Aldeburgh and Benacre (Tuck), Sudbourn Park, etc.

Microcryptus rufipes, Gr.—Uncommon ; Bentley, Monks Soham.

M. perspicillator, Gr.—Abundant; Needham (Platten), Bentley, Stuston, Sotterley, Parham, Monks Soham.

M. rufnniger, Bdg.—Monks Soham, on Heracleum flower, 15 August, 1908.

M. granimicola, Gr.—Uncommon ; in Holbon marsh near Beccles and at Covehithe.

M. bifrons, Gm.—Several at roots of Juncus at Wherstead in July, 1904.

M. abdominator, Gr.—Abundant everywhere during June.

M. arridens, Gr.—Not rare; Finbro (Tuck), Alderton, Laken heath, etc.

M. galactinus, Gr.—Tostock (Tuck), Mildenhall, Glemsford, Monks Soham.

M. leucostictus, Fr.—Common about Ipswich, etc., in June.

M. nigrocinctus, G r . — C o m m o n ; Benacre, Tostock (Tuck), Mildenhall, Beccles, etc.

M. eretatus,Gr.—AIdeburgh (Tuck), Barton Mills, Monks Soham.

M. basizonius, Gr.—Rarely seen ; Dodnash Wood in August.

M. tricinctus, Gr.—Once taken in Bentley Woods in early June.

M. erytkrinus, Gr.—Common on Monks Soham windows ; Barton Mills, Oulton.

M. sperator, Mull.—Not uncommon ; Tostock, BartonMills, etc.

-V- braehypterus, Gr.—Assington Thicks and Farnham.

M. micropterus, Gr.—Belstead, Bentley and Easton Broad.

M. labralis, Gr.—Lakenheath, Lackford Bridge and Tuddenham Fen.

148

THE HYMENOPTERA OF SUFFOLK.

Acanthocryptus nigricollis, Th.—A female on Angelica Park in 1900 (Tuck).

A.flagitator,Rssi.—Tostock (Tuck); Harkstead on Angelica.

A. Hopei, Morl.—Barton Mills, Bramford, Brandeston and Monks Soham, June to August.

A. quadrispinosus, Gr.—Claydon, Tuddenham, Bentley Woods uncommon.

Obisiphaga stenoptera, Wsh.—Rare: Gisleham pit on September, 1933.

Cremnodes atricapillus, Gr.—Once swept near 1 pswich in September ; thrice found in Gisleham sand-pit.

Glyphicnemis profligator, Fab.—Ubiquitous lipon flowers G. vagabunda, Gr.—Hardly less common than the last species G. Suffolciensis, Morl.—Frequent uponflowersall over the County.

G. brevis, Gr.—Alderton, etc.; not very common.

G. erythrogaster, Gr.—Fairly frequent; Braisworth, Monks Soham, etc.

G. senilis, Gm.—Uncommon at Ipswich and Dunwich.

Phygadeuon rufuLs, Gm.—Finbro Park (Tuck), Bungay Comm and about Ipswich.

P. nyctemerus, Gr.—A male on dead ash-bark in Ashfield marsh on 20 September, 1907.

F. speculator, Gr.—Ipswich and occasionally at Monks Soham.

P. sodalis, Tasch.—A female swept from herbage at Brandon on 4 June, 1903.

P. Gravenhorsti, Fst.—Tostock,firstin Britain (Tuck) ; Tudden ham Fen. P. vagans, Gr.—Not uncommon; Benacre, Southwold, Westleton, Bentley, Depden.

P. rugulosus, Gr.—Apparently very local; on Monks Soham windows, June and August.

P. Scoticus, Msh.—A male swept from bushes in Bentley Wood P. leucostigmus, Gr.—In salt-marshes; Walberswick, and several at Southwcld, 1907.

P. brachyurus, Th.—A few in salt-marshes; Sothwold and Blythburgh.

P.flavimanus,Gr.—Bentley Woods during June.

P. variabilis, Gr.—Of frequent occurrence everywhere in spring.

P. assimilis, Gr.—Probably not very common ; Foxhall plateau, et P. dumetorum, Gr.—Very common everywhere in woods.

P. exiguus, Gr.—Hardly less generally distributed than the last.

P. mixtus, Brdg.—Has been swept beside the Ouse at Brandon.

P. ambiguus, Gr.—Col. Nurse has confirmed it as British by breeding both sexes from puparia of Chilosia grossa, Fall., in Cnicus palustris stems, at Timworth in 1910.

P. Marshalli, Brdg.—Infrequent; Gisleham sand-pit in 1932 and Tuddenham Fen.

THE HYMENOPTERA OF SUFFOLK.

149

P. Hercynicus, Gr.—Not rare ; Tostock (Tuck), Barnby, Eye, Foxhall, etc.

P. bre-vitarsis, Th.—Once beaten from fir-trees at Bentley in April.

P. nitidus, Gr.—Common on flowers in autumn ; Monks Soham, Foxhall, etc.

P. ovatus, Gr.—Apparently rare, though I have it from Monks Soham in May. P. fumator, Gr. One of the commonest British Ichneumonids.

P. inflatus, Th.—Not uncommon ; Benacre and Bungay (Tuck).

P. scaposus, Th.—Not uncommon [many bred from Celery Fly (Acidia heraclei, L.)].

P. dimidiatus, Th.—Common ; Monks Soham, etc.

P. rotundipennis, Th.—Very rare; one at Bedfield in 1918.

Panargyrops tenuipes, Gr.—Tostock (Tuck), Farnham, etc.

P. cereus, Gr.—Doubtless a common species, rarely noticed.

P. pellucidator, Gr.—Very common ; Tostock (Tuck), etc.

P. claviger, Tasch.—Apparently rarely seen; Monks Soham window in 1929.

Orthopelma luteolator, Gr.—Abundant is Rhodites-galls ; Monks Soham, etc.

Spinolia fulveolata, Gr.—Brandon, Barton Mills, Barnby, Oulton Broad.

Hemiteles fulvipes, Gr.—Common on windows at Ipswich, Southwold, Monks Soham.

H. marginatus, Brdg.—Hardly rarer than the last species.

H. varittarsus, Gr.—Clavdon bridge, Southwold, and bred at Reydon.

II. necator, Gr.—Abundant in spring and autumn.

H. bicolorinus, Gr.—Nearly as numerous as the next kind.

H. areator, Panz.—Omnivorous, and very numerous everyvvhere.

H. cingulator, Gr.—Common on house-windows.

H. pedestris, Fab.—Monk Park and Bentley woods, Barnby, Southwold, etc.

H. subzonatus, Gr.—Common ; Tostock, Finbro and Bungay in autumn (Tuck).

H. incisus, Brdg.—Beaten from birch in Tuddenham Fen ora 6 May 1907.

H. brunneus, Morl.—Tostock (Tuck), Claydon and the tpye on an Ipswich window.

H. floricolator, Gr.—Probably not rare ; Assington Thicks, etc.

H. niger, Tasch.—Certainly uncommon; Foxhall, Bentley, Southwold, Tuddenham Fen. H- tristator, Gr.—Frequent in June and July, sometimes at light.

H- similis, Gm.—Abundant evervwhere, usually on windows.

H- melanarius, Gr.—Of infrequent occurrence on Monks Soham windows.

H. Icevigatus, Rtz—Norton Wood (Tuck), Brandon, Barton Mills and Alderton.

150

T U E HYMENOPTERA OF S U F F O L K .

H. hempiterus, Fab.—Dunwich in September, 1928 (Blair).

H. variicornis, Gr.—Wherstead, Foxhall and Brandon, in marshes.

IL ridibundus, Gr.—Not uncommon ; Tostock (Tuck), Tuddenham Fen, Monks Soham.

H. oxyphimus, Gr.—Very common in all our marshes from May to August.

H. nitidus, Brdg.—A homotype was taken on lawn at Monks Soham, 10 May, 1906. ' H. astivalis, Gr.—A common species throughout summer. / / . gracilis, Th.—'Tostock (Tuck), Foxhall fir-wood in April.

H. solutus, rl h.—Autumn ; Faston Broad in Sept. and Bentlcv fir-wood in Oct. / / . micalor, Gr.—Probably not rare ; Ipswich, and at Bentley lir-wood in March.

H. Angitcanus, Morl.—A female on Monks Soham House windou.

H. distinctus, Brdg.—My tvpical male was taken at Brandon on 8 June 1903.

H. politus, Brdg.—Perhaps not rare ; taken in Barnby Broad.

Cecidonomus Westoni, Brdg.—Tostock (Tuck), Monks Soham.

C. xylonomoides, Morl.—The type was found at Bentley Woods in late May. C. inimicus, Gr.—Monk Park wood, on windows at Bradley and Monks Soham.

Pezomachus Aquisgranensis, Fst.—Once commonly in moss in Bentley Woods.

P. Kiesenwetteri, Fst.—Bramford, Barnby Broad, Kessingland, etc.

P. zonatus, Fst.—By no means uncommon and generallydistributed.

P. costatus, Brdg.—Kessingland and Pakefield sea-clitfs in August.

P. rufipes, Fst.—On sand everywhere, especially in Gisleham pit.

P. cemulus. Fst.—Apparently rare ; swept at dusk in Bentley Woods.

P. pilosus, Cap.—Beaten from pine-trees in Bentley Woods, April.

P. acarorum, L.—Common and widely distributed.

P. festinans, Gr.—On Brandon heaths in June.

P. hieracii, Brdg.—On heaths ; Potters bridge, Southwold and Brandon.

P. nigritus, Fst.—Brandon, and on coast at Corton and Southwold.

P. micrurus, Fst.—Taken at both Barton Mills and Oulton Broad.

P. formicarius, Fab.—Distinctly uncommon ; Bentley Woods, etc.

P. Mulleri, Fst.—Not very common in our County.

P. distinctus, Fst.—Brandon on reeds, Barton Mills, Gisleham.

P. analis, Fst.—One taken at Brandon on 11 August 1906, onlv.

P. attentus, Fst.—In marshes, Monks Soham and Brandon, spring and autumn.

P. pumilus, Fst.—Common throughout the County : Brandon in August 1906, etc.

P. gonatopinus, Th.—Probably rare ; Reydon alder-carr in July.

P. anthracinus Fst.—Common in marshes : Barton Mills, Tuddenham Fen, etc.

THE HYMENOPTERA OF SUFFOLK.

151

P. vagans, Oliv.—Somewhat doubtfully recorded from most of Suffolk P.fraudulentus, Fst.—Quite common : Bury, Southwold, Clavdon etc. ' P. i/npotens, Fst.—Apparently rare : Gisleham pit, September 1923.

P. tinidus, Fst.—Rare : both sexes on sandv heaths at Staverton.

P. ochraceus, Fst.—Apparently rare: Minsmere Level in Westleton, 1913.

P. modestus, Fst.—Abundant everywhere from autumn to spring.

P. a*ilis, Gr.—Apparently rare : on Kessingland sandhills in 1910.

P. pulicarius, Fab.—Not uncommon in September: Henstead and Blythburgh, etc.

P. carnifex, Fst.—One of our most ubiquitous species.

P. nigricornis, Fst.—Rare: singly in Bentley Woods and at Southwold.

P. corruptor, Fst.—One of our most ubiquitous species.

P. gracilis, Fst.—A female swept in Blthburgh Wood in September.

P. instabilis, Fst.—The commonest of its genus in Suffolk.

P. pedicularius, Fab.—A female swept at east Wangford on 4 September, 1911.

P. comes, Fst.—Uncommon in the Bentby Woods in autumn.

P. fasciatus, Fab.—Abundant throughout the County.

P. geochares, Fst.—Rare by the Gipping at Ipswich in winter.

P. mtermedius, Fst.—One of our most ubiquitous species.

Stilpnusgagates, Gr.—Blakenham, Monks Soham, etc., singly.

S. pavonia, Scop.—Ipswich, Witnesham, Monks Soham, singly S. dryadum, Curt.—Barton Mills, Brandon, Ousden, singly.

S. blandus, Grav.—Brandon, Monks Soham, Walberswick.

S. deplanatus, Gr.—Common : Finbro (Tuck), Monks Soham, etc.

Atractodes tenebricosus, Gr.—Abundant. [Bred from Melanochila riparia, Fln.] A. bicolor, Gr.—Not uncommon.

[Bred from Dipterous puparia at Cambridge.]

A. gilvipes, Hlgr.—Not uncommon; Dunwich, (Blair); Brandon, Monks Soham, etc.

A. gravidus, Gr.—Rarely seen : Finbro, Reydon and Ashfield.

A. piceicornts, Hai.—Apparently rare : Foxhall, etc., in September.

A. exilis, Hai.—In profusion. [Bred from Onesia cognata Mg 8 at Cambridge.] '' A croceicornis, Hai.—One in marsh at Barton Mills in June 1900 A- foveolatus, Gr.—A female at Aldeburgh in 1899 (Tuck).

Exolytus leevigatus, Gr.—Abundant throughout the County.

Th.—Foxhall, September, 1902. [Bred from Calliphora cognata, Mg., at Cambridge.] scrutator, Hai.—Quite commmon, Tostock, Lakenheath, etc. s P}endens, Gr.—Certainly widely distributed through Suffolk. r aUidiotes luridator, Gr.—Monks Soham, Bentley Woods Staverton, etc.

152

THE HYMENOPTERA OF SUFFOLK.

Nematopodius formosus, Gr.—Monks Soham garden on frequent in 1905-31.

N. linearis, Gr.—One female on Monks Soham window, 11 July, 1927.

Pycnocryptus peregrinator, L.—Common throughout the Cou Spilocryptus incubitor, Strm.—Ipswich, Peasenhall, Walberswick S. cimbicis, Tsch.—Common parasite of Trichiosoma everywhe 5. abbreviator, Fab.—Apparently uncommon : Gisleham pit, etc.

Gambrus ornatus, Gr.—Several bred from Zygcema trifo Oulton.

Aritranis carnifex, Gr.—In bogs only : Brandon, Tuddenham, Dunwich, Oulton, Covehithe.

A. signatorius, Fab.—Rarely seen : Foxhall, etc. [Preys on Odynerus leevipes, Shuck.]

Idiolispa analis, Gr.—Common : Tuddenham, Brandon, Barham.

Demophorus robustus, Brsch.—Males at Brandon in Augu 1906 and September, 1907.

Goniocryptus titillator, L.—Common from Bentley to Tuddenham Fen. Cryptus tarsoleucus, Sehr.—Frequent on umbells during mid summer.

C. vidnatorius, Fab.—Very common on Silaus-üov/ers, etc C. obscurus, Gr.—Common in woods throughout the County.

C. albatorius, Vill.—Occurring with the last, hardly more rarely.

C. tuberculatus, Gr.—Rarely seen: Ipswich on elm, July, 1897.

Habrocryptus porrectorius, F.—Less common than in Ke Bentley Woods.

Canocryptus antennatus, Bdg.—Monks Soham windows on August, 1910 and 1911.

Subfamily PIMPLIN^ Ischnocerus rusticus, Frc.—Apparently rare with us : Stavert in July 1921 ; Bentley Wood in June 1935.

Xylonomus pilicornis, Gr.—Certainly rare here; Wortham marshes in 1900.

Rhyssa persuasoria, L.—Ipswich (Baylis), Bury and Rushbro R. curvipes, Gr.—Rare : Ashfield-Thorp mere 1921 and Barton Mills 1916.

Ephialtea manifestator, L.—Yarmouth (Paget), probably a error for next species.

E. carbonarius, Chr.—Bury (Butler), TostockT (Tuck), Bramford.

E. heteropus, Th.—One male in Bentley Woods on 23 May, 1 Perithous Mediator, Fab.—Onehouse (Watson) ; Monks Soha garden : common.

P. varius, Gr.—Rarely noticed : Tostock, Bury (Tuck), Monks Soham, etc.

P. divinator, Rssi—Rarely noticed : Barton Mills in 1914, etc.

THE HYMENOPTERA OF SUFFOLK.

153

l'impla roborator, Fab.—Needham and Ipswich (Platten), Monks Soham in 1923.

P. ruficollis, Gr.—A female on oak, Palmers Heath, Brandon 22 June, 1914.

P. graminellce, Hlg.—Ipswich, Brandon, etc., uncommon.

P. robusta, Morley.—Frequent on flowers throughout summer.

P. diluta.—Rare : Livermere (Nurse), Bentley Woods (Elliott), Brandon.

P. culpator, Morley.—Marshes ; Tostock (Tuck), Herringswell and Tuddenham fens.

P. anmdinator, F.—Marshes: Tostock (Tuck), Barnby, Harleston, Tuddenham Fen. P. didyma, Gr.—Bramford, Barham, Fimbro and bred at Ipswich from Odonestia.

P. brevicornis, Gr.—Abundant throughout the County in summer.

P. punctiventris, Th.—Common but often mixed with last.

P. pomorum, Ratz.—Local on conifers : Tostock (Tuck), Monks Soham, Bentley Woods.

P. sagax, Htg.—Common in spring : Elveden, Tuddenham fen and Monks Soham..

P. calobata, Gr.—Fairly generally distributed : Monks Soham, etc.

P. nucum, Ratz.—Occurs with the last, but rarer: Wangford, Bentley and Monkpark woods.

P. inanis, Sehr.—Eriswell, Charsfield, Tostock, Barnby, Monks Soham.

P. detrita, Hlg.—Abundant in all our marshes.

P. instigator, Fab.—One of the commonest British Ichneumons.

P. turionellce, L.— As common in woods during spring as the last.

P. maculator, Fab.—Common throughout the County.

P. alternans, Gr.—Of frequent occurrence : Monks Soham, etc.

P. brassicarice, Poda.—Not very common: Monks Soham, Bentley and Parham woods, etc.

P. rufata. Gm.—Commoner than the last, especially at Vicia.

P. oculatoria, Fab.—Tostock (Tuck), Bentley woods, Eye, Monks Soham.

P. ornata, Gr.—Rare : Tostock and Finbro (Tuck), Finningham, Monks Soham.

Polysphincta multicolnr, Gr.—Monks Soham, parasite on spiders.

P. gracilis, Klg.—Fly-trap in Monks Soham paddock in June.

Acrodactyla madida, Hai.—Apparently rare: in Tuddenham Fen on 19 June 1915.

A. degener, Hai.—Hardly commoner : Monks Soham window in 1920 and orchard in 1917*.

Schizopyga podagrica, Gr.—Never common : Bentley Woods, Tuddenham Fen, Monks Soham. *The latter, on 8 August, was hanging on to a spider's web (as often do Mycetophilidee, for which at first I mistook this female) bv its legs ; it was very sleepy, with closed wings. T h e species' parasitism on Spiders is well known.

I LI i

154

THE HYMENOPTERA OF SUFFOLK.

S. circulator, Pz.—Brandon, Barton Mills and Mildenhall only.

Clistopyga incitator, F.—Common : Staverton, Bentley Woods Monks Soham, etc.

C. rufator, Hlg.—Marshes extremely rare : female on Angelica, Thorndon Fen, 1925.

Lycorina triangulifera, Hlg.—One female in Bentley Woods on 16 June 1902.

Glypta bicornis, Boie.—Apparently confined to Barnby Broad and Tuddenham Fen. G. elongata, Hlg.—Common on reeds throughout the Countv.

G. fronticornis, Gr.—Southwold on Heracleumflowerin Sep G. ceratites, Gr.—Common onflowersin summer.

G. parvicornuta, Bdg.—Female in Tuddenham Fen on 22 August, 1905.

G. femorator, Dsv.—Stanstead Wood in June, 1900.

G. hcesitator, Gr.—Uncommon at Belstead and Monks Soham.

G. trochanterata. Bdg.—Apparently rare : Ipswich and Dunwich.

G. resinance, Htg.—Once at Tostock on 8 September, 1900 (Tuc G. pedata, Dsv.—Apparently uncommon : Lackford bridge.

G. sculpturata, Gr.—By no means rare onflowersin August.

G. incisa, Gr.—Assington (Harwood), Woodbridge, Bealings.

G. annulata, Bdg.—Tostock (Tuck). Bentley Woods and Barnby.

G. nigrina, Dsv.—A male on Monks Soham window on 5 August, 1905.

G. lugubrina, Hlg.—Barnby Broad, Kessingland and Monks Soham.

G. bifoveolata, Gr.—Common throughout the County.

G.flavolineata,Gr.—Very local: Bently Woods and at Alderton.

G. cicatricosa, Ratz.—One at Brandon on 26 June, 1918.

G. lineata, Dev.—Rare: a pair on poplar, Lowestoft denes, 15 August 1908.

Stilbops chrysostoma, Gr.—Abundant in woods from 29 Ap Cryptopimpla calceolata, Gr.—A male cn bramble-leaf at Fo on 17 September 1903.

C. errabunda, Gr.—One male in Barnby Broad, on 21 August.

C. quadrilineata, Hlg.—Singly in marshes at Ashfield-Thorp and Tuddenham.

IJssonota parallela, Gr.—Not uncommon on Lowestoft denes in August, 1908.

L. lineata, Gr.—One female under a stone on same denes on 13 August.

L. insignita, Gr.—Foxhall (Tomlin), Aldeburgh (Tuck), Brandon.

L. leucogona, Gr.—One house (Watson), Bury and Tostock (Tuck Monks Soham windows.

L. nitida, Bdg.—A female on Monks Soham windows on 29 August.

L. bellator, Gr.—Among the most abundant Ichneumonidse.

L. variipes, Dsv.—Bentley, Ashfield, Southwold, Mellis, etc.

L. cylindrator, Vil.—Abundant everywhere in autumn.

w

THE HYMENOPTERA OF SUFFOLK.

155

L. sulphurifera, Gr.—Hardly rarer than the last species.

L. femorata, Hlg.—Not in frequent on Monks Soham windows.

L. variabilis, Hlg.—Not very common : Staverton Thicks, Monks Soham, etc.

L. trochanteralis, Schm.—Common in woods: Letheringham, Ashfield, etc.

L. deversor, Gr.—Occasionally singly in woods: Staverton, Bentley, etc.

L. carbonaria, Hlg.—A male in Bentley Woods on 7 July 1917.

L. transversa, Bdg.—Common : Harleston, Bentley, Mariesford.

L. segmentator, Fab.—A female in Assington Thicks in May. L. nigridens, Th.—Probably common : Barton Mills in June 1916.

L. errabunda, Hlg.—Rarer than in south England: Bentley Woods.

L. dubia, Hlg.—Apparently rare: Brandon on 11 August 1906.

Meniscus setosus, Frc.—Bury (Wrattislaw: in Hope Coli., Oxford).

M. catenator, Pz.—Certainly rare with us : Barnby Broad in 1906.

Alloplasta murina, Gr.—Not very common : Framlingham, Debenham, Monks Soham.

A. plantaria, Gr.—Bury (Wrattislaw: in coli. Morley).

Phytodiatus polyzonias, Forst.—Rare; swept at Dunwich on 7 August, 1900.

P. corypheeus, Gr.—Tostock (Tuck), Clare-Stoke, Barton Mills.

P. ornatus, Dsv.—Elveden onflowersduring May, 1906.

P. geniculatus, Th.—One male in Barton Mills woods in July.

P. obscurus, Dsv.—Brandon, Bentley Woods and Barnby Broad.

Syzeuctus bicornis, Gr.—The sole localised British example is a male, taken at Bury St. Edmunds, Suffolk, on 16 July, 1901 bv the late Mr. W. H. Tuck (in coli. Morley).

Procinetus decirnator, Gr.—One female on Falmers Heath, Brandon, where the Longicorn Molorchus minor, Linn., occurs, on 16 May, 1930.

Lampronota caligata, Gr.—Less common with us than the next.

L. melancholica, Gr.—Not very frequent: Mildenhall, east Denham, etc.

Acanitus arator, Rssi.—In marshes, very rare: Tuddenham Fen on 29 August, 1902.

Collyria calcitrator, Gr.—Abundant about corn-lands everywhere.

C. puncticeps, Th.—Tostock (Tuck). Lavenham, Mildenhall, etc.

Arotes albicinctus, Gr.—One ' captured near Lowestoft' (Ent. Annual 1859, p. 112).

(Edematopsis scabricula, Gr.—Not rare: Gorleston, bred 1936 (Moore); Finbro, Brandon and at light at Monks Soham.

[Obs.—(Ed. Ops, Morl. 1908 = Neliopisthus (Thomson) elegans, Ruthe 1855].

Thymaris pulchricornis, Brsh.—Rarely noted : Tuddenham Feil and Brandon.

156

THE HYMENOPTERA OF SUFFOLK.

T. fenestralis, Morley.—Monks Soham only, on windows and at light, 1905-31.

T. fasciata, Bdg.—One of the undescribed females, Monks Soham window, 13 August, 1919.

Banchus pictus, Fab.—Rare : Suffolk (Curtis), Bury (Wrattislaw), Bentley Woods.

B. volutatorius, L.—Rare : Gorleston and Easton cliff.

B. falcator, Fab.—Common: Tuddenham (Sparke), Bury (Tuck), all along the coast.

Xenoschesis fulvipes, Grav.—Hitherto UNRECORDED FOR BRITAIN. The first indigenous specimen was swept from a birchbush in Barton Mills woods, Suffolk, on 4 June 1916 (Ernest A. Elliott, in coli. Morley) [ three at Lichfield in 1919 (L. A. Carr); one female from Colchester (Bernard Harwood)].

Exetastes cinctipes, Retz.—One of the commonest garden Ichneumonidae.

F.. nigripes, Gr.—Very rarely noticed : Ipsvvich in Juiy, 1896.

E. guttatorius, Gr.—Scattered uncommonly all over the County.

Subfamily

TRYPHONIN/E.

Metopius denattus, Fab.—Rare: bred at Gorleston 1924 (Doughty), Bentley Woods.

M. micratorius, Fab.—Yarmouth (Paget); Southwold (Curtis) and in 1899 (Tuck).

Chorinceus cristator, Gr.—Frequent: Timworth (Nurse), Tuddenham, Covehithe, etc.

C. funebris, Gr.—Uncommon : Foxhall in May 1907 (Chitty), Monks Soham.

C. longicornis, Th.—Not rare : Finbro (Tuck), Henstead and Bentley Woods.

C. tricarinatus, Hlg.—Marshes : Tuddenham Fen and Harkstead.

C. talpa, Hai.—Verv rarely seen : Tostock on 21 April, 1900 (Tuck).

Hyperaemus crassicorvis, Gr.—Very rare : one swept in rougn marsh, Barton Mills, 18 June", 1915.

Polyclistus femoralis, Frc.—Monks Soham windows only.

P. 'mansuetor, Gr.—Bury and Benacre (Tuck); Monks Soham common, rarely on ivy-flower.

P. flavteeps, Ratz.—Foxhall bred, Monks Soham and Southwold.

Exochus podagricus, Gr.— Taken occasionally on hazel in Bentley Woods.

E. pallidipes, Hlg.—With the last, and on Angelica-tiowas, at Tuddenham Fen. E. globulipes, Dsv.—Not rare: Tuddenham, Foxhall and bred in east Wangford wood.

THE HYMENOPTERA OF SUFFOLK.

157

E. Britanniens, Morley.—Type from Tuddenham (Morley); Bungay (Tuck).

E. prosopius, Gr.—Common : Bury (Tuck), Assington, Brandon, Barnby Broad, etc.

E. nigripalpis, Th.—Rarely seen : Easton Broad and the Beccles marshes.

E. flavomarginatus, Hlg.—Common : Bury (Tuck), Assington, Brandon, Barnby, etc.

E. tibialis, Hlg.—Monks Soham (Elliott), Tostock (Tuck), Tuddenham Fen. E. Fletcheri, Bdg.—Marshes: Reydon and Walherswick, in September 1910.

E. parvispina, Th.—Rarely seen: Bramford and Tuddenham Fen in autumn.

E. notatus, Hlg.—One at Monks Soham on 8 Julv, 1928.

E. albicinctus, Hlg.—Rare : on the coast at Felixstow in June.

Orihocentrus stigmaticus, Hlg.—Elveden during May, and Monks Soham in autumn.

O. marginatus, Hlg.—Dodnash woods in August, 1899 and Monks Soham in August, 1925.

O. monilicornis, Th.—Tostock in 1900 (Tuck); common in Monks Soham garden.

O. attenuatus, Hlg.—On house windows at Monks Soham.

O. fulvipes, Gr.—Occasionally at Monks Soham and Tuddenham.

O. protuberans, Hlg.—Doubtless common: Elveden in early May, 1907.

Stenomacrus flavieeps, Gr.—A male on pine at West Stow, 2 May, 1936.

S. caudatus, Hlg.—Males on long grass at Mildenhall.

S. curvicaudatus, Brsh.—Rarely seen: Brandon marshes and Tuddenham Fen. S. concinnus, Hlg.—Doubtless common : Monks Soham garden in late May 1908.

S. deletus, Th. —Males on lime-leaves in Monks Soham garden in late May. S. laricis, Hai—Common everywhere : Barton Mills in 1916, etc.

S. ridibundus, Gr.—Rarely noted: Henstead in marshes, August, 1898 S. ventralis, Hlg.—Females beaten from pine-trees in Bentlev Woods, April, 1899.

S. confinis, Hlg.—Monks Soham : common in marshes of Breck and along coast.

S. intermedius, Hlg.—Probably common : Barton Mills, Oulton Broad and Southwold.

S- cognatus, Hlg.—Brandon ; common in both house and garden at Monks Soham.

S. pusillus, Zett.—Apparentlv rare : Bentley Woods and Southwold salt-marshes.

158

THE HYMENOPTERA OF SUFFOLK.

S. binotatus, Hlg.—Common: Belstead, Bentley, Covehithe, Beccles, Brandon, etc.

S. cubiceps, Th.—Rarer than the last: Bentley, Foxhall and Corton cliffs.

S. reptilis, Marsh—The sole British example was on Benacre denes, 19 September 1920 (EMM. 1921).

Bassus leetatorius, Fab.—Abundant everywhere throughout the County.

B. tricinctus, Gr. Common : Tostock, Benacre, Bungay (Tuck), Ipswich, etc.

B. multicolor, Gr.—Very local: Tuddenham Fen in June 1901.

B. albosignatus, Gr.—Not very common : Southwold and Kessingland cliffs, etc.

B. variicoxa, Th.—Finbro and Tostock (Tuck) ; common at Monks Soham, ctc.

B. annulatus, Gr.—Finbro and Bungay (Tuck); frequent on Lowestoft denes 1923, etc.

Homocidus cinctus Gr.—Not infrequent in spring: Tostock House (Tuck).

H. bizonarius, Gr.—Not very common : Tuddenham, Claydon, Barnbv, etc.

H. obscuripes, Hlg.—Foxhall (Chitty), Barham (Sparke), Oulton, Beccles, etc.

H. pectoralorius, Gr.—Uncommon: Assington, Tuddenham Fen and Monks Soham.

H.flavolitieatus,Gr.—Uncommon: Brandon, Depden and Southwold.

H. tarsatorius, Pz.—Abundant everywhere: Brandon, Southwold, Monks Soham, etc.

Ii.fissorius,Gr.—One taken at Foxhall on 5 September, 1902.

H. ornatus, Gr.—Eriswell (Elliott), Lowestoft and abundant at Southwold.

H. deplanatus, Gr.—Lowestoft and Monks Soham during 1922.

H. dimidiatus, Sehr.—Abundant everywhere : Bury (Tuck), etc.

II. pictus, Gr.—Less frequent than the last: Bury (Tuck), etc.

H. crassicrus, Th.—Rare : Tostock (Tuck), Tuddenham, Finbro, Monks Soham.

H. longiventris, Th.—A male swept in Brandon marshes on 4 Julv H. strigator, Fab.—A male swept in Henstead marshes on 28 August, 1898 H. xanthaspis, Th—Swept from herbage in Tuddenham Fen on 23 August, 1905.

H. elegans, Gr.—An abundant species throughout Britain.

H. signatus, Gr.—Frequent in marshes everywhere.

H. hygrobius, Th.—Not rare : Bury (Tuck), Brandon, Pake»harn, Monks Soham.

Zootrephus rufiventris, Gr.—Locatly common in all boggy place Prometkus sulcator, Gr.—Abundant everywhere in marshes.

T H E HYMENOPTERA OF SUFFOLK.

P. P. P. P. P.

159

albicoxis, T h . — I n f r e q u e n t : Henham Park and Barnby Broad. cognatus, Hlg.—A common species throughout the County. laticarpus, T h — Rarely notcd : Henstead marsh on 12 Julv, 1900. pulchellus, Hlg.—Abundant throughout the County] dorsalis, Hlg.—Uncommon, usuallv in marshes : also at Monks Soham.

P.festivus. Fab.—Not very common : Bungay (Tuck), Peasenhall, Coddenham.

Labrossyta scotoptera, Gr.—Once common by Stanstead Great Wood, 14 June, 1900.

Sphecophaga vesparum, Curt.—June, rarely seen : Ipswirh, Brandon, Redlingfield.

Mesoleius virgultorum, G r . — T u d d e n h a m and Ingham (Nurse), Brandon, Bentley, etc.

M. semicaligatus, Gr.—Generally distributed : in autumn.

M.fallax, H l g — A male in Norton Wood on 7 October, 1899.

(Tuck).

M. erythrocerus, Gr.—August, apparently r a r e : Worlington 1906, Bedfield 1918.

M. rufolabris, Zett.—Rarely noticed, in marshes at T u d d e n h a m .

M. dorsalis, Gr.—One male at Freckenham on 20 May, 1923 (G. B. Walsh).

M. hamulus, Gr.—By no means uncommon at Bentley Woods and Monks Soham in May. M. armillatorius, Gr.—Common everywhere : Monks Soham, etc.

M. bicolor, Gr.—Tangham Forest, bred from Lophyrus sertifer (Trans, supra i, p. 179).

M. molestus. Hlg.—Common in m a r s h e s : Pakenham, Beccles and Monks Soham.

M. aulicus, Gr.—Mildenhall, Blythburgh, Rishangles, Bedfield.

M. variegatus, J u r . — F r e q u e n t : Reydon, Bentley, T u d d e n h a m .

M. heematodes, G r . — O n e female on Angelica in Finbro Park 24 September. 1900 (Tuck).

M. maculicollis, Ste.—Several beaten from birch at Covehithe.

M. dubiiis, Hlg.—Not rare : Brandon (Elliott), Wangford, Herringswell, T u d d e n h a m .

M. formosus, Gr.—Rare in May : Palmers Heath in Brandon, and Bentley Woods.

M. filicornis, Hlg.—Uncommon : once in T u d d e n h a m Fen during August.

M. multicolor, Gr.—Apparently very rare : Bentley Woods and Monks Soham.

M. niger, Gr.—Apparently verv r a r e : Westleton lamb-pits in July, 1900 Vyspetes prrerogator, Linn.—Abundant everywhere on flowers.

Trematopygus lativentris, Hlg.—One in Stanstead Wood on 30 May, 1898.

T • albipes, Gr.—Benacre Broad (Tuck), uncommon at Foxhall.

160

THE HYMENOPTERA OF SUFFOLK.

T. atratus, Hlg.—One female on birch in Tuddenham Fen on 9 June, 1910.

Trvphon elongator, Fab.—Widely distributed, but not common.

T. heliophilus, Gr.—Finbro (Tuck), Sudbury in 1919 (Harwood), Foxhall, etc.

T. exclamationis, Gr.—Tostock (Tuck), Pakefield, Monks Soham in 1916, etc.

T. ephippium, Hlg.—Distinctly uncommon: Tostock in July (Tuck).

T. rutilator, Linn.—Abundant onflowersevervwhere during July-

T. trochanteratus, Hlg.—Frequent: Moulton, Barham, Monks Soham, etc.

T. vulgaris, Hlg.—Not common : Lackford, Hadleigh Wherstead, Monks Soham.

T. Signatar, Gr.—Very commonly swept everywhere in June.

T. nigripes, Hlg.—Rarely noticed : males at Tostock in July.

T. brunneiventris, Gr.—Tuddenham, Glemsford, Bentley.

T. compunctor, Gr.—One on bushes in Bentley Woods, 27 June 1900.

Exyston cinctulum, Gr.—Distinctly uncommon : Tostock Aldeburgh, etc.

E. brevipetiolatum, Th.—Commoner than the last: Tuddenham Monks Soham.

E. subnitidum, Gr.—Frequent onlv at blackthorn in Monks Soham garden, 1919.

Acrotomus succinctus. Gr.—Aldeburgh on 21 September 1 A. mesoleptoides, Ste.—One specimen in Bentley Woods in Ju Exenterus marginatorius, Fab.—Tuddenham in June 191.2 (N Trans, supra i, p. 179.

E. gnathoxanthus, Gr.—A female in Tuddenham Fen on 26 September, 1907.

E. pachvsoma, Ste.—Occurs sparingly in Bentley Woods.

E. basalis, Ste.—Barnby Broad, Barton Mills and Tuddenham.

E. aurifluus, Hai. (geniculosus, Schiöd. Mag. Zool, ix, 1839, p.

11, nota; Hlg.; Brsch.). In marshes: Brandon and Judes Bridge, Mildenhall, 1915.

E. limbatellus, Hlg.—Tuddenham and Herringswell fens, Monks Soham.

E. lineola, Ste.—Swept in marshes at Barton Mills m June, 1915 E. bimaculatus, Hlg.—Rare in bogs : Barton Mills, Tuddenham and Pakenham fens.

Mesoleptus bipunctatus, Gr.—Tostock in June (Tuck), Gorle M. paludicola, Hlg.—Beccles in 1919 (Bedwell), rare in Oulton.

M. typha, Frc—Abundant in marshes throughout the County.

M.fugax, Gr.—Not uncommon: Tuddenham, Belstead, Lound.

M. xanthostigma, Gr.—Rarely noticed in Tuddenham fen, Jun M. vulneratus, Zett.—A pale form swept rarely in Tuddenham.

THE HYMENOPTERA OF SUFFOLK.

161

M. testaceus, Fab.—Rarely noticed in Tuddenham Fen in August (Elliott).

M. ruficorrtis, Gr.—Abundant in all marshes : Thorndon, etc.

M. attenuatus, Bdg.—A couple of males in Bentley Woods in May, 1900-3.

M. cingulatus, Gr.—Tostock (Tuck), Bramford, Tuddenham, Monks Soham, etc.

M. prosoleucus, Gr.—Rare : a female at Brandon staunch, 28 September, 1907.

M. macrodactylus, Hlg.—A beautiful male at Tostock, 20 July, 1900 (Tuck).

Perispudus sulphuratus, Gr.—Oulton (Bedwell), Blythburgh, Thorndon, Mildenhall.

Catoglyptus fuscicornis, Gm.—Common in all our woods during spring.

Euryproctus nemoralis, Frc.—Scarce: Ipswich, Barton Mills, Thorndon, Kenton.

E. geniculosus, Gr.—Marshes: Oulton (Bedwell), Lowestoft, Baylham, Henstead.

E. defectivus, Gr.—Very rare : Judes Bridge in Mildenhai], 20 June 1915.

E. atomator, Mull.—Letheringham (Elliott), Finbro (Tuck), Parham, Monks Soham.

E. lateralis, Gr.—Not rare : Mildenhall, Barton Mills, Southwold.

F.. notatus, Gr.—Abundant on flowers everywhere: Tostock (Tuck), Monks Soham, etc.

Perilissus filicornis, Gr.—Abundant: Bentley, Southwold, Tuddenham, etc.

P. rufoiiiger, Gr.—Common in all our woods in spring.

P. pallidus, Gr.—Parham Wood in 1921, and rarely at light at Monks Soham.

P. spilonotus, Ste.—Tostock (Tuck), Brandon, and common on Monks Soham windows.

P. orbitalis, Gr.—Rarely seen at Brandon and in Tuddenham Fen. P. triangulatus, Bdg.—One at Tostock on 13 June 1900 (Tuck).

P. ncevius, Gm.—Uncommon in gardens at Tuddenham and Monks Soham.

P. buccinator, Hlg.—Rarely seen : a male in Barton Mills woods.

P. luteolator, Gr.—Bred in Tangham Forest (Trans, i, p. 179.)

Eclytus fontinalis, Hlg.—On sallow in Walberswick marshes, September 1910.

Ctenopelma nigra, Hlg.—A female on birch in Bentley Woods, 29 May 1902.

Prionopoda stictica, Fab.—Henstead, Bentley ; and often at light at Monks Soham, to 1928.

P- glabra, Bdg.—Commonly on flowers throughout the County.

162

THE HYMENOPTERA OF SUFFOLK.

Lathrnlestus macropygus, Hlg.—A female at Barton Mills 011 18 June 1901.

L. ungul'iris, Th.—Always abundant in May in woods : Assington, Bentley, etc.

L. ensator, B r s . — N E W TO B R I T A I N in Breck District, 1 9 2 6 (Harvvood, in lit.).

Monoblastus exstirpatorins, Gr.—Rarely seen in June at Southwold.

M. longicornis, Hlg.—One swept by Aide at Farnham on 24 July, 1899.

Polyblastus variitarsus, Gr.—Not uncommon throughout the County.

P. cothurnaliis, Gr. —Rare : a female at Tuddenham Fen on 12 August, 1906.

P. spharocephalus, Gr.—Occasionally swept: Brandon and Tuddenham marshes.

P. pastoralis, Gr.—Tostock (Tuck), Claydon, Rishangles, Eye. P. pratensis, Gr.—One in Tuddenham Fen on 6 June, 1910.

P. rivalis, Hlg.—One at Foxhall, swept from herbage, on 6 September 1902.

P. marginatus, Hlg.—Common about Ipswich, Redgrave, Brandon.

P. pingias, Gr.—Tuddenham (Nurse), rare on flowers about Southwold in 1922.

P. Westringi, Hlg.—Of very frequent occurrence in Tuddenham Fen, etc.

P. sanguinatorius, Ratz.—Bred from Cladius viminalis at Holbrook.

P. breviseta. Ratz.—West Stow (Nurse), Tuddenham Fen and Blythburgh Wood (EMM. 1916, 96).

P. subalpinus, Hlg.—Singlv at Brandon staunch aiid Reydon.

Erromenus calcator, Mull.—Doubtless not rare : Letheringham Park on 13 July, 1918.

E. plebeius, Wold.—A female swept from herbage at Tuddenham.

E. brunnicans, Gr.—Widely distributed in J u n e : Thorndon, Monks Soham, etc.

E. punctulatus, Hlg.—Tostock (Tuck), Brandon and Frostenden.

E. frenator, Gr.—Tostock, Finbro, Bungay (Tuck); frequent at Monks Soham, etc.

E. fasciatus, Gr.—Swept from hazel in Bentley Woods on 16 June, 1902.

Grypocentrus cinctellus, Ruth.—Doubtless frequent, not localised.

G. albipes Ruth.—Swept in Barton Mills wood during June, 1916.

Adelognathus pallidipes, Gr.—Walberswick Wood and Brandon in 1914.

A. dorsalis, Gr.—Probably not rare : Covehithe and Staverton Thicks.

[The T h i r d (and last) Portion will directly follow.]