Heleomicra McAlpine, 1985

McAlpine, DK, 2007, Review of the Borboroidini or Wombat Flies (Diptera: Heteromyzidae), with Reconsideration of the Status of Families Heleomyzidae and Sphaeroceridae, and Descriptions of Femoral Gland-baskets, Records of the Australian Museum 59, pp. 143-219 : 214

Genus Heleomicra McAlpine

Heleomicra D. McAlpine, 1985: 205 , 210. Type species (original designation) H.collessi D. McAlpine.

Description (significant diagnostic characters only).

Head. Paravertical bristle absent; fronto-orbitals 2, both long, directed outwards; cheek with a central series of setulae (in addition to variably developed peristomial series). Antenna almost porrect; distal articular surface of segment 2 much less oblique than in Borboroides , with stout conus covered with numerous encircling series of fine-tipped and blunt spinule-like microtrichia; segment 5 less elongate than in Borboroides .

Thorax. Subscutellum convex and rather deep, but not wide; dorsocentral bristles one pair; mesopleuron without setulae. Tibiae without preapical dorsal bristles. Wing: costa without any enlarged bristles or spines beyond pair of costagial bristles; subcosta desclerotized and unpigmented distally, slightly narrowed at level of c. basal third of second costal cell; basal crossvein very oblique.

Abdomen. Sternite 1 sclerotized, compact and undivided. Male: protandrium not forming a petiole, section representing sternite 8 large, without separate ventral bridge; epandrium without sclerotized anteroventral bridge; hypandrium well sclerotized in front of basiphallus; gonite absent; basiphallus large, sclerotized on posterior surface, sheath-like, with distiphallus folding into its anterior concavity, and with double-headed process arising in front of base; aedeagal apodeme long. Female: tergite 5 much shorter and narrower than tergite 4.

Distribution. New South Wales: widely distributed. Victoria: scattered records in east of state. Tasmania. South Australia: single record.