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THE DIPTERA OF SUFFOLK. (Cont. from p. 104.) FAMILY xiii: MYCETOPHILIDAE. (sec; F. W. Edwards in Trans. Ent. Soc. 1924, p. 650. -397 Brit. spp. All Monks-Soham [M-S] captures are ad fenestras, unless stated). Ditomyia fasciata, Mg.—Confirmed as British by Mr. Tuck's capture at Tostock in May 1898 (EMM. 1902, p. 110). Bolitophila glabrata, Lw.—Beaten from Spruce-fir at Blythbro in Sept. 1912. B. hybrida, Mg. (fusca, Mg.) & B. cinerea, Mg.—'Taken respectively in Newmarket garden and at Tuddenham, by Mr. Collin. Diatocidia ferruginosa, Mg.—Orford (King); M-S. in Sept. 1917. Macrocera Anglica, Edw.—Not rare at M-S. in July-August. M. lutea, Mg.—Newmarket garden (Collin) ; several on Pine in Barton Mills woods and Tuddenham, June. M. fasciata, Mg.—Newmarket garden (Collin); Wherstead, Shrubland Park, common at M-S. ; Tuddenham Fen and Barton Mills. M. crassicornis, Winn.—Newmarket (Collin). M. centralis, Mg.—Newmarket garden (Collin); Bentley Woods, not rare at M-S.; Thorndon rectory in 1924 (Harris). M. maculata, Mg.—Timworth (Nurse, Tr. Ent. Soc. 1924, 521). M. phalerata, Mg.—Staverton Thicks ; Orford (King); occasionallyatM-S., Tuddenham Fen; Newmarket (Collin). M. stigma, Ct.—Orford (King); Bentley Woods, Wherstead, common at M-S. ; Barton Mills woods in 1928 ; Newmarket. M. stigmoides, Edw.—Iken (Yerbury, Tr. Ent. Soc. 1924, 521). One beaten Beech at Barton Mills 5 June 1928 (Elliott). Asindulum nigrum, Ltr. (inticta, Schin.)—" Known in Britain from only the neighbourhood of Mildenhall and Lowestoft, Suffolk " (Edwards 1924), where it was found by respectively Dr. Sharp (sec. Bloomfield) and Mr. Claude Morley, who took many on Angelica and Heracleumflowersin brackish marshes at Henstead on 12 July 1900, as well as Shipmeadow on 12 July 1928 beside the Waveney [where it abounded at Aldeby in Norfolk the same day, as also at Horning Ferry the preceding day : one £ swept in peat-moor at Shapwick in Somerset on 4 July 1933 —CM.] A.flavum, Winn. (rostratum, Edw.).—Abundant on windows and Heracleumflowersat M-S. in June-July (Entom. 1920, 87). CeroteUum lineatum, Fab.—Common at Wilow stump and bred thence in M-S. paddock and garden, 1910-41.



Ceroplatus testaceus, Dalm. (tipuloides, Fab.)—One $ in Staverton Thicks on 24 June 1903 ; one $ sitting in outhouse at M-S., quiescently upon a spider's web, 16 Aug. 1910. Apemon marginata, Mg. & A. atrata, Fab.—Probably different. The first occurred in an Ipswich salt-marsh on 1 June 1897; the second at only Bildeston on 30 July 1898. Monocentrota Lundstromi, Edw.—A surprising $ was swept in Thelnetham marshes of the Waveney on 8 September 1940. Isoneuromyia \-rufa, Mg.—Common : Orford (King), Staverton Thicks, Brandeston, M-S., Easton Broad, S. Cove ; Tuddenham, Brandon ; mid-Aug.—mid-Sept. I. zonata, Zett. (concisa, Wik.)—Singly at M-S. in July 1915, &c. I. perpusilla, Edw. & modesta, Winn.—Both captured by Verrall ooly, at respectively Boyton on 19 June 1908 and Tangham. I. flava, Mcq.—M-S. in July 1919 and beaten from Oak at Staverton Thicks in June 1904. I. ochracea, Mg.—M-S. and Aying in Bentley Woods, May. Platyura nemoralis, Mg. (flavipes, nana, cincta).—Frequent at plant-roots in May-June : Wherstead, on Heracleum flowers in late Oct. ; Framlingham, Tannington, M-S. and Redlingfield ; Barton Mills, Newmarket garden (Verrall, Collin). P.fasciata, Mg.—Uncommon in M-S. garden in Aug. andwindows. P. discoloria, Mg. (unicolor, Stg.)—Bentley Woods, Foxhall and not infrequent at M-S. in May-Aug. Zygoneura sciarina, Mg.—Mr. J. J. F. X. King of Glasgow once found it at Orford. Trichosia hirtipennis, Zet.—By no means uncommon : Aying in Ipswich garden in April 1895 et. seqq. Phorodonta flavipes, Fab.—Rarely noticed at M-S. and near Southwold at Wangford Wood and Frostenden : Aies unlike more typical Sciarae. Saara Thomae, Linn.—Ubiquitous on Aowers from June to midSept. ; noted at Ipswich, Bramford, Foxhall, Kesgrave, Eyke, Staverton, Blythbro, Holton, S. Cove ; Tostock (Tuck), Timworth (Nurse) and in the Breck. S. caudata, Walk.—Frequent in May-June : Bentley Woods, M-S. Windows and in garden ovipositing in dead Eider wood. S. pilosa, Stg.—Bentley Woods, Staverton, M-S., Frostenden, Sotterley ; on 10 May 1900 $ $ abounded among Caltha palustris in a Wherstead swamp. S. hispida, Winn.—Abundant in spring : Ipswich (Platten), M-S., Blythbro, Southwold salts and on 23 Sept. 1932 Aocked to " sugar " at Fritton Lake. S. glhbra, Mg.—Rarely noted at M-S. From several larvae, found in rotten Poplar wood at Tattingstone on 22 Jan. 1898, a pair emerged on 10 next May, of which the 3 was retained by Brit. Museum in 1919 ; I still possess the CM.



S. carbonaria, Mg.— Ipswich, sometimes on fungi ; several Aying round Aphides on Maple, under whose leaves they often sit and drop, like Scatopse, when alarmed at M-S. where they were in cop. on Sloe on 3 Sept. 1917, as in Tuddenham Fen on 8 Sept. 1915 ; on lime in Newmarket garden (Verrall). S. brunnipes, Mg.—Newmarket (Verrall, Tr. Ent. Soc. 1924, 538). S. nitidicollis, Mg.—Felixstow, Staverton, Wangford W o o d ; Freston, in cop. on Broom on 4 May 1895 ; abundant on Aster tripol. in Southwold salts, common and in cop. on windows there, 25 Sept. 1900 ; Barton Mills, Mildenhall. S. bilineata, Stg.—In Newmarket garden (Collin). S. sp. 9.—A species swept in Staverton marsh : " Sp. inedit." (Edwards). S. sp. 10.—Associated with Pinns sylvestris, whence it was beaten at Herringfleet on 3 April 1936 and Potters Bridge in Easton Bavents on 20 Sept. 1913. S. sp. 11.—Letheringham on 6 August 1918. 5. sp. 12.—Bentley Woods on 11 May 1899. S. sp. 13.—A rotting Oak-branch was collected in Wherstead fir wood on 14 Feb. 1904, whence hundreds of r j ? of this species emerged on 9 June following. S. sp. 14.—Females were abundant upon budding Larch in Blythbro Wood on 1 April 1937. S. sp. 15.—Flew indoors to light at w. Tuddenham Hall on 28 August 1902 (Elliott). S. sp. 16.—Very small species on M-S. windows, 21 August 1919. Plastosciara Keilini, Edw.—Known solely from a series (Trans. Ent. Soc. 1924, 542) bred from rotten wood at Barton Mills on 20 April 1915 (EMM. 1915, 264). P. Beilngi, Winn.—From puparia, under bark of felled Pinus sylvestris at " Diastictus place " on Brandonroad Heath on 5 August 1929, fully thirty-five of this rare species emerged the next month. Peyerimhoffia brevipennis, Walk.—One $ in a sand pit beside the River Waveney at Aldeby on 12 July 1928. Mycomyia marginata, Mg.—Uncommon : Bentley Woods and Blakenham in April, Coddenham in June, M-S. July-Oct. M. cinerascens, Zett.—At M-S. in April-May and October. M. incisurata, Zett.—Not rare at Blythbro Wood in Sept. : taken at Tuddenham in Sept. (Collin). M. circumdata. Stg. (lucorum. Wn.)—Swept in Staverton Thicks on 7 Sept. 1916. S. fimbriata, Mg. & ornata, Mg. (tumida. Wn.)—Mr. Collin has taken both, former at Tuddenham and latter at Newmarket. Leptomorphus Walkeri, Ct.—Not seen since July 1904, when a <J was swept in Cutlers Wood at Freston, tili M-S ix, 1946.

THE DIPTERA OF SUFFOLK 170 Neuratelia nemoralis, Mg.—Beaten from Rowan in Bentley Wood on 29 May 1902. Sciophila interrupta, Winn.—Captured at Mildenhall by the late Col. Yerbury. S. lutea, Macq.—Occasionally at M-S. in June and Aug. : Newmarket garden (Collin). S. hirta, Mg.—Orford (King) : frequent at M-S. : Newmarket in May 1887 (Verrall). ß. nigra, Land.—Taken at Aldeburgh during July 1907 (Yerbury). Monoclona rufilatera, Walk.—Not infrequent at M-S. in Sept.-Oc Acnemia nitidicollis, Mg.—In Newmarket garden (Collin). Synapha fasciata, Mg.—One $ on 15 January 1923. Palceoempalia collaris, Mg.—ThefirstBritish $ at M-S. on 1 1927 ; now in Brit. Museum. Boletina basalis, Mg.—Swept in Bentley Woods on 13 May 190 Leia Winthemi, Leh.—A single $ at M-S. on 4 June 1909 ; in Newmarket garden (Collin). L. fasäipennis, Mg.—Abounds on umbelliferousflowersat Foxhall, Bramford, Letheringham Park and Mildenhall in June-Sept. ; on M-S. windows and once several on Burdock at Orford. L. crucigera, Zett.—Common with the last on M-S. windows in June and Sept. (Tr. Ent. Soc. 1924, 579). L. cylindrica, Winn.—Abounded in Staverton Thicks on 22 Aug. 1918 (loc. cit.). L. subfasciata, Mg.—Suffolk in 1910 (Bloomfield); occasionally at M-S. from early June to early Oct. L. bimaculata, Mg.—Uncommon at M-S. in Sept.-Oct. 1920-48, with its var. fasciola, Mg., earlier in the year. Ectrethoneura hirta, Winn.—Several in Letheringham marshes on 13 Sept. 1920 ; M-S. once in May. Tetragoneura sylvatica, Ct.—Swept in Waveney marshes at Blundeston on 12 Aug. 1936. Megophthalmidia crassicornis, Ct.—One $ on Angelicaf Harkstead, 1 Sept. 1903. Docosia gilvipes, Hai. (sciarina, Suff. List).—Coddenham ön Mercurialis ; rarely noticed at M-S., Jan.-mid-June. D. Moravica, Land.—First found in Britain at Barton Mills (Trans. SNS. 1941). D. sciarina, Mg. (valida, Suff. List).—Certainly associated in May with old Oaks, whence it was beaten at Palmers Heath in Brandon in 1911, and on whose trunks it was sitting commonly at Bentley Woods in 1901. Exechia spinigera, Winn. & lucidula, Zett.—Both in Sussex garden in Newmarket (Verrall; latter in Brit Mus.). E. fusca, Mg. (fungorum, guttiventris, lateralis).—D numerous ; noted at Washbrook on 27 March 1897, a few on Pine at Bentley Woods in Feb. 1899, in Blythbro Wood in Sept. 1912, and many on windows in Gorleston on 19 Feb.1937.



E. dorsalis, Stg.—Beaten from Scots-pine in Herringfleet Woods on 3 April 1936. E. bicincta, Stg. (interrupta, Ztt. nec Lund.)—Found in Newmarket garden in Sept. (Verrall). E. parva, Lund. & festiva, Winn.—Former swept in Tuddenham Fen on 9 Sept. 1915 (Morley); latter also found there (Verrall). and in 1917 at M-S. E. pseudocincta, Stbl. & parallela, Edw.—Both takenj by Verrall at respectively Kirtling and on 23 Sept. 1888 at Newmarket, where his garden lay exclusively in Suffolk (Tr. Ent. Soc. 1924, 597). E. trivittata, Stg.—Rarely noticed, Sept. : several at Blythbro Wood in 1912 and Frostenden in 1937. E. indecisa, Walk, (tenuicornis, Wlp.)—Taken at Newmarket in Dec. (Collin). E. crucigera, Lund.—At M-S. on 30 Oct. 1917 ; beaten from Pine in Herringfleet Woods on 3 April 1936 ; and at Newmarket (Verrall). Confined to Herts., Cambs. and Suffolk in Britain. Rhymosia domestica, Mg.—Noticed at M-S. in only March, June and Sept. R. fenestralis, Mg.—Sitting on wall of M-S. outhouse at 9 p.m. on 26 Feb. 1935 ; attracted to moth-light at Benacre Broad at 9 p.m. on 20 Sept. 1935 ; on Gorleston and M-S. windows. R. fasciata, Mg.—Abundant on M-S. windows and outhouse-walls, often sitting alongside Culex pipiens, in late autumn up to 22 Dec. ; Gorleston windows in Feb. 1937. R. gracilipes, Dz.—Newmarket (Verrall). Allodia crassicornis, Stan. & lugens, Wied.—Singly : former on M-S. outhouse-wall at 10 p.m. on 31 May 1937 ; latter swept at Westleton lamb-pits on 19 Sept. 1912. A. ornaticollis, Mg.—Tuddenham Sept. and Newmarket (Collin). A. truncata, Edw. & alternans, Zett. Both at Newmarket, first on window-pane, second during June and Nov. in garden. A. fissicauda, Lund.—" Newmarket (Verrall)." Tr. Ent. Soc. 1924, 610. A. griseicollis, Stg. (caudata, Win.)—Several in Southwold beachshelters on 25 Sept. 1913 ; in Newmarket garden (Verrall). A. sericoma, Mg. (amcena, Win.)—One beaten from Pine at Potters Bridge in Easton Bavents on 20 Sept. 1913. A. (Brachycampta) Serena, Winn.—Exning and in garden at Newmarket (Verrall). A. sp.—The (J of another species was Aying at an old Oak in Staverton Thicks on 11 Sept. 1920. Cordyla crassicornis, Mg. & brevicornis, Stg.—Both found at Newmarket in September, latter also at Tuddenham (Collin). C. pusilla, Edw. & flaviceps, Stg.—The former in Newmarket garden (Collin) ; latter at Tuddenham in 1891 (Verrall).



C. sp.—Several examples of another species were found in Letheringham Park, and on M-S. windows, in July-Aug. 1918-20. Trichonta stereana, Edw.—Many Aying in sun at yellow Fungi (? Stereum hirsutum) on felled Oak-branch in Bentley Woods on 5 March 1935. T. bicolor, Land. (Brachycampta, Suff. List).—Newmarket garden (Verrall). T. atricauda, Zett.—In M-S. orchard in July 1-916 (Trans. SNS. ii, 38); several in Blythbro Wood on 9 Sept. 1931. T. vitta, Mg. (submaculata, Stg.)—Several in Southwold beachshelters at 6.15 p.m. on 19 Sept. 1913. T. " sp. nov. ? "—A specimen, thus labelled by Dr. Edwards, was taken on Monks Soham window-pane on 18 Aug. 1917 and retained by him for Brit. Museum—later unnoticed ? Phronia exigua, Zett. (rustica) & conformis, Walk. (Girschneri). Both noted at Newmarket by Verrall, the latter in his-garden during Sept. 1888. P. Taczanowskii, Dz.—Also at Newmarket, as well as Staverton Thicks (Verrall). Dynatosoma fuscicorne, Mg.—Fairly frequent on M-S. W i n d o w s only, usually at dusk, from 2 May to 19 Oct.; in Newmarket garden (Collin). Mycetophila fungorum, DeG. (punctata, Mg.)—Common the whole year round, except perhaps in high summer : Wherstead, Bentley Woods on spruce, Blythbro Wood, Southwold pier and windows ; attracted to moth-lamps about 10 p.m. in Aug.-Sept. at Benacre Broad and Fritton Lake 1935-9 ; on Gorleston shop-window in Jan. ; M-S., Thorndon ; Newmarket garden (Verrall coli.) M. lineola, Mg.—Abundant: hibernating in grass-tufts at Bramford in 1895, in profusion among spruce at Wherstead and Bentley Woods in Feb., Ipswich Aying indoorson 13 Dec. ; M-S. in Feb.-May and Oct., Westleton in Sept. ; Tuddenham. M. ocellus, Walk, (dimidiata, Stg.)—Rare at M-S. on 22 May 1913 ; Newmarket garden (Collin). M. occultans, Winn.—Ampton (Nurse : Tr. Ent. Soc. 1924, 641); Tuddenham in Sept. (Collin) [at 2,400 feet in Westmorland lakes June 1937.—CM.] M. bimaculata, Fab.—Local: on pine in Bentley Woods in March 1895-1900 ; on windows and outhouse-walls at M-S. in April-May & Aug.-Nov. M. spectabilis, Winn. & luctuosa. Mg.—Both found in Newmarket garden (Verrall coli.), the latter in Nov. & January. M. fraterna, Winfi.—Beaten from pine in HerringAeet woods on 3 April 1936. M. signatoides, Dz.—Newmarket (Verrall); Iken (Yerbury). M. guttata, Dz.—Several in Blythbro Wood and on Southwold windows in September.



M. obscura, Dz.—In Agarics in Shrubland Park on 27 August; rarely Aying by day, at or in early dusk at M-S. during Jan., April and July 1920-41 ; first taken in Britain at Tuddenham in 1891, later in Newmarket garden (Verrall). M. trinotata, Stg. (russata, Dz.)—" Wordsley, Suffolk " (Verrall), intended for ? Bawdsey. M. cingulum, Mg.—Abundant in thatch in Raydon Wood in May 1934, common at M-S. always in autumn (Aüg.-mid-Dec.) and sometimes at light, Lowestoft in 1924; Newmarket. M. xanthopyga, Winn.—Newmarket garden in August (Verrall). Zygomyia pictipennis, Stg.—Confirmed as British from pine in Bentley Woods in Feb. 1899, now in Brit. Museum. Z. vara, Stg.—Orford (King) ; Newmarket in June and Sept. Z. valida, Winn. & notata, Stan.—Both are abundant at M-S., always in Oct.-Nov. ; Newmarket garden (Collin); latter als® from Woodbridge (Verrall, in Brit. Mus.). Sceptonia nigra, Mg.—Found at Tuddenham in Sept. (Collin). S. concolor, Winn.—Mildenhall, more rarely than the last (Verrall). S. flavipuncta, Edw. ( M . fuliginosa, Suff. List).—The type was captured by Col. Yerbury at Mildenhall on- 24 June 1909 (Tr. Ent. Soc. 1924, 647). Here we find 143 out of the 397 British species of this family. FAMILY xiv : CECIDOMYIDAE. (sec. Trans. Ent. Soc. 1917, pp. 346-426, &c. : now circa 500. Brit. spp.) Rhabdophaga salicis, Sehr.—In woody galls on Sallow at Bradley (Collin); several, that left projecting puparia and lived only two-three days, were bred at 10 a.m. on 23-5 May 1916 from woody galls taken lOth inst, at M-S. ; from the galls also emerged cj? of the parasitic Chalcid, Torymus pumilus, Ratz, (lehn. d. Forst, i, 180 ; ii,,174 ; EMM. 1880, 40). R. heterobia, Lw. & R. rosaria, Lw.—Both the respective artichoke and rosette galls of these species are frequent on Salices in M-S. ; the latter is a conspicuous object all over the county : Haiesworth, Westhall, Chediston. Perrisia cratcegi, Winn.—Profuse in head of every Hedge-shoot in autumn at Monks Soham (Mly), Debenham, Yaxley, Hoxne, Corton (Ellis), &c. P. pteridis, Müll.—On Bracken at Trimley and Herringfleet in July 1932 (Ellis). P. galii, Lw.—On Galium palnstre St. Olaves Herringfleet (Ellis). P. persicarice, Linn.—In leaves of Polygonum persicaria at Fritton (Ellis). P. plicatrix, Lw.—Frequent on Rubus fruticosus leaves in M-S. P. rosarum, Hard.—Found on Dog-rose Trimley July 1932 (Ellis). P. tiliarum, Kf.—Numerous galls on Lime at Blythburgh in June 1934 (Ellis).

THE DIPTERA OF SUFFOLK 174 P. ulmaria, Brem.—Discovered somewhere in Lothingland (Ellis). P. Urtica, Perr.—Trimley, east Hopton, north Flixton, Fritton and Herringfleet on common Nettle (Ellis). Jaapiella veronica, Vall.—Iken on Germander-speedwell in July 1932 (Ellis). Asphondylia ulicis, Verr.—Many imagines about Gorse at Southwold in Sept. 1939 (Mly). Oligotrophusbursarius, Brem.—Ubiquitous : galls at Letheringham Hacheston, Pettaugh ; a score of Gnats bred from others on Ground-ivy at Thornham Magna in 1920 (Mly) and Onehouse Wood in 1932 (Ellis). Craniobia corni, Gir.—Found several times on Dogwood at Mendlesham 1930-9 (Mayfield). Mayetiola destructor, Say.—Mr. Goss exhibited a number of Hessian Fly puparia, received from various places in Suffolk ; Prof. Riley said it was not recorded from Britain by Mr. Kirby (Proc. Ent. Soc. : Meeting 5 Oct. 1887). Asynapta lugubris, Winn.—On Prunus domestica, L., G 26 July 1932 (Ellis). Mikiloa fagi, Hart.—Gall at Nayland-Stoke on top of Beech-leaf in May 1935 (Engleheart, Trans, iii, p. xxxvii). Hormomyia grandis, Mg.—Fairly commonly swept from Epilob in Oulton Broad and Shipmeadow marshes (Mly). Monarthropalpus buxi, Lab.—Suffolk (Fitch, Entom. 1880, 149 Contarinia linaria, Winn.—Galls at Brockford on Yellow Toadflax in 1937 and, to lesser degree, 1939 (Mayfield). C. loti, DeG.—On Vicia sepium in Onehouse Wood, 24 July 193 (Ellis). C. tritici, Kirby.—Damage done by Wheat Midge to crops considerable about Barham (Kirby, Trans. Linn. Soc. iv, 1798, p. 230 & v, 1799, pp. 96-111 ; Henslow of Hitcham, Report Brit. Assoc. 1841, sects. p. 72 & Jour. R. Agric. Soc. iii, pt. i, 1842, p. 36 ; Curtiä, Farm Ins. 271). Everywhere. Stictodiplosis corylina, Lw—Distorted Hazel catkins at Blundesto in April 1935 (Ellis). Its Chalcid parasite is said to be TetrastichusRosellae, DeG. Harmandia tremulae, Winn.—Galls leaf and stalk of Aspens in Bentley Woods (Mly). Putioniella marsupialis, Lw.—Leaf-rib pouches common on Prunus spinosa in Monks Soham paddock (Mly). Clinodiplosis thalictricola, Rüb.—On Meadow-rue at Bungay in July 1932 (Ellis). III worked, as in other counties. Our 28, out of Britain s circa 500, species can be easily extended.

The Diptera of Suffolk: Families xiii Mycetophilidae and xiv Cecidomyidae  
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