Sisyromyia White, 1916

Sisyromyia White, 1916: 192, 197. Type species: Bombylius auratus Walker, 1849, by subsequent designation (Bezzi, 1924: 7).

Diagnosis (modified from Li & Yeates, 2018). Flagellum one-segmented, subapex with 1–5 long hairs. Base of wing vein Cu bare. Cell r5 open; cell br nearly as long as cell bm, crossvein m-m located on base of cell dm; crossvein m-m long, nearly as long as crossvein r-m; cell cup open. Abdomen with pale median stripe, consisting of dense, decumbent short scales. Male epandrium nearly rectangular, posterior half with long hairs. Hypandrium membranous. Gonocoxite elongate, basal half slightly wider than apical half; division short. Ejaculatory apodeme small. Gonocoxal apodeme short and pointed anteroventrally. Anterior arm of aedeagal sheath short, not extending beyond gonocoxal margin. Lateral ejaculatory process strong. Dorsal bridge without lateral hollow. Gonostylus normal. Phallus strong, slightly curved. Female sand chamber present. Tergite 8 with median apodeme on posterior margin, anterior margin with dense long hairs. Normally 20 to 30 acanthophorite spines present on each side of tergite 9+10, slightly curved apically. Genital fork slender and straight, connected anteriorly. Sperm pump strong and short, clothed in longitudinal muscle, without lateral papillae. Sperm pump basal and apical collars small. Distal spermathecal duct short. Spermatheca large and flattened, basal bulb present.

Distribution. ACT, NSW, Qld., SA, Tas., Vic., WA.

Species included. Sisyromyia albisquama sp. nov., Sisyromyia angustivitta sp. nov., Sisyromyia aurata (Walker, 1849), Sisyromyia decorata (Walker, 1849), Sisyromyia elongata sp. nov., Sisyromyia limbata (Bigot, 1892), Sisyromyia maculipennis sp. nov., Sisyromyia rutila (Walker, 1849), Sisyromyia thomsoni Evenhuis & Greathead, 1999, Sisyromyia umbra sp. nov., Sisyromyia vittata sp. nov.