Inbiomyiidae

Extremely shortened head with nonfunctional ptilinum and reduced chaetotaxy, shortened first flagellomere with very elongate, dorsoapically inserted arista, proboscis with largely separate labellar lobes that point in different directions, mid tibia lacking apicoventral bristle, unusual fusion of male sternites 5-7, reduced male sternite 8, elongate surstyluslike ventral epandrial lobes, cerci absent in both sexes, extremely truncate female genitalia, and large, extremely flattened eggs. (Buck 2006)