The Diptera of Suffolk: Family xv, Stratiomyidae

Page 1

11

THE DIPTERA OF SUFFOLK. (Cont. from vol. vi, p. 174.) FAMILY xv: STRATIOMYIDAE. (sec. Verrall, Brit. Flies 1909, pp. 51-229—Brit. spp. 54. List 1945 has only 52.) Pachygaster ater, Panz.—Generally distributed on bushes: Melford and beside the Stour at Sudbury in 1916 (Harwood), Ipswich 1908 (Bennett), Foxhall, Bramford, Shrubland, Barham Oak Wood, Parham Wood, Monks Soham garden and windows, Frostenden, Kessingland, Barnby Broad; Tostock 1900 (Tuck), Timworth and Livermere (Nurse), Tuddenham Fen, Eriswell, Brandon. P. Leachi, Curt.—Much rarer, usually quite scarce and local: not uncommon near Orford in 1908 (Bloomfield), occasionally on Monks Soham windows and poplar in lanes in July, on flowers at Farnham; one at Livermere in 1913 (Nurse), Brandon Oxycera analis, Mg.—A single $ swept from Sparganium in the River Deben at Cretingham on the warm and dull 6 June 1943 at 2.30 p.m. (P. J. Burton). O. pygmaea, Fln.—Found in numbers at Tuddenham Fen on 29 July, 1880 (Verrall, p. 93) and never again. O. formosa, Mg.—Extremely local, but gregarious when it occurs : Orford (King), numerous on bracken and Spiraea flowers at Foxhall 10 Aug., 1902 and 21 July, 1904, several in Barnby Broad, 1906. Sucking honey-dew on Butterburr leaf by Deben at Brandeston, 11.30 a.m. 25 July 1942. O. tenuicornis, Mcq—Very scarce about Sudbury (Harwood), sparingly in marshes near the Deben 1 July 1907 (Verrall, p. 100), Orford (King). [Swept from Galium verum, Gosfield in Essex, 24 July 1902.—Morley.] O. pulchella, Mg.—Rare, usually found singly: in Sudbury garden (Harwood), one in Suffolk and probably at Felixstow (Piffard) where two or three occurred at the harbour in 1923 ; in spiders-web on Cypress in Monks Soham garden 13 Aug. 1917, and on Burr-reed in R. Deben at Brandeston 17 July 1943 ; Bramfield 1942 (Hocken); in any numbers solely in the Frostenden brick-fields 14-30 July 1922-6. O. 2-lineata, Fab.—Not uncommon nor always in estuarine marshes: Suffolk (Verrall, 113), not rare about Sudbury in 1916 (Harwood), Felixstow in Aug. 1896 (Piffard), Brandeston, Blythbro Heath, Frostenden, Oulton, Barnby Broad; common in Burgh and Bradwell marshes before 1834 (Pagets), still occurs in former; Beccles, Shipmeadow; Bungay (Tuck), Timworth (Nurse), Barton Mills 1915 (Harwood), on Brandon pales 1937 and staunch. Nemotelus pantherinus, L., uliginosus, L., notatus, Zett.—All three are nearly equally common on herbage in our salt estuaries from Felixstow up the coast to Burgh Castle, though


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.