. An account of British flies (Diptera). Diptera -- Great Britain. I50 AN ACCOUNT OF BRITISH FLIES. Section 8.—Diadocidmcz. Body bare, short. Head round, flat above, hairy in front. Pro- boscis short; palpi 4-jointed, slender. Antennce 17-jointed, stout, cylindrical, last joint small. Eyes reniform. Ocelli three, the central one not much smaller than the others. Thorax nearly round,. Fig. 34.—Wing and palpus of Diadocidia femigittosa. scutellum small. Abdomen 7-ringed, cylindrical. Legs stout, pubescent : tibiae slender, armed with spurs at the tip ; posterior tibiae with slender spurs. Wings
. An account of British flies (Diptera). Diptera -- Great Britain. I50 AN ACCOUNT OF BRITISH FLIES. Section 8.—Diadocidmcz. Body bare, short. Head round, flat above, hairy in front. Pro- boscis short; palpi 4-jointed, slender. Antennce 17-jointed, stout, cylindrical, last joint small. Eyes reniform. Ocelli three, the central one not much smaller than the others. Thorax nearly round,. Fig. 34.—Wing and palpus of Diadocidia femigittosa. scutellum small. Abdomen 7-ringed, cylindrical. Legs stout, pubescent : tibiae slender, armed with spurs at the tip ; posterior tibiae with slender spurs. Wings broad, hairy, parallel in repose ; first longitudinal vein very small; second longitudinal vein springing from the base of the first and ending before the tip of the wing ; third longitudinal vein simple ; fourth forked, springing from a transverse angular veinlet, sixth reaches the border. Metamorphosis un- known. Macroneura, Macq. Zett. ,,.,.,. T^ , , ( Macronei Genus Dtadocidta, Ruthe = J r. • -, \ Saara^ L This is the only genus in this section. {D. flavicans, Ruthe. D. ferniginosa, Mg. ^\^- Winthemi, Macq. \S. testacea, Zett. Tawny. Thorax with three brown stripes. Abdomen yellow or yellowish-brown ; apex dark. Head and antennae brown, basal joints, palpi and proboscis yellow. Legs yellow, brownish tarsi; posterior tibia; longer than tarsi. Wings grayish, with brownish veins and gray hairs. Length li to 2 lin. This seems a doubtful British species. Walker says it has been found by Mr, Haliday at Killarney. Literature on the Mycetophilidcc : 1. Beitriige zur Naturgeschichte d. Insecten. Sitzburger d. Wien. Acad., vol. vii. Heeger. 2. Annales des Sci. Nat., 2 s., vols. xii. and xiii. Memoire sur les metamor. d. plusieurs larves fungivores, etc. Dufour. 3. Bemerkungen u. ein. Arten. Zweif Gattungen. Macrocera, etc. Isis, 1830. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
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