Optioservus was a genus of riffle beetles in the family Elmidae; as of 2021 it is a junior synonym of Heterlimnius. There were about 13 described species in Optioservus.
GENUS
via GBIF · CC0
Optioservus was a genus of riffle beetles in the family Elmidae; as of 2021 it is a junior synonym of Heterlimnius. There were about 13 described species in Optioservus.
==Species== Optioservus browni White, 1978 (Brown's optioservus riffle beetle) Optioservus canus Chandler, 1954 (pinnacles optioservus riffle beetle) Optioservus castanipennis (Fall, 1925) Optioservus divergens (LeConte, 1874) Optioservus fastiditus (LeConte, 1850) Optioservus heteroclitus White, 1978 Optioservus immunis (Fall, 1925) Optioservus ovalis (LeConte, 1863) Optioservus phaeus White, 1978 (Scott optioservus riffle beetle) Optioservus quadrimaculatus (Horn, 1870) Optioservus sandersoni Collier, 1972 Optioservus seriatus (LeConte, 1874) Optioservus trivittatus (Brown, 1930)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).