OPSOMEIGENIA Townsend, 1919c: 577. Type species: Hypostena pusilla Coquillett, 1895, by original designation.

flavipalpis (Reinhard, 1934).– Texas (S&A, 1965), Tennessee, North Carolina, Georgia, Florida (CNC), West Virginia, Virginia (WVU).
– Anetia flavipalpis Reinhard, 1934b: 187. Type data: holotype female (CNC). Type locality: USA, Texas, College Station.

pusilla (Coquillett, 1895).– Missouri to Maryland, also Texas (S&A, 1965), Ontario, Québec (CNC), West Virginia, Virginia (WVU).
– Hypostena pusilla Coquillett, 1895c: 58. Type data: lectotype female (USNM), by fixation of Coquillett, 1897: 62 (statement "From the type specimen" is regarded as a lectotype fixation); also by designation of Wood, 1985: 100. Type locality: USA, Illinois, Algonquin.
– Anetia parvula Reinhard, 1934b: 186. Type data: holotype male (USNM). Type locality: USA, Texas, College Station.