Optioservus sandersoni
Collier, 1972
A of riffle beetle in the Elmidae, to North America. First described by Collier in 1972. Taxonomic identification relies on male genitalia, elytral patterns, and body shape rather than variable external characters.
Pronunciation
How to pronounce Optioservus sandersoni: /ˌɒptiːoʊˈsɜːrvəs ˌsændərˈsoʊnaɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other Nearctic Optioservus by male genitalia , elytral pattern, and body shape. Previously confused with O. ozarkensis, which has been synonymized under this species.
Distribution
North America. Specific range boundaries not documented in available sources.
Similar Taxa
- Optioservus ozarkensisFormerly treated as a separate , now synonymized with O. sandersoni based on revision of male genitalia and elytral characters.
More Details
Taxonomic history
O. sandersoni was included in a 1978 revision of Nearctic Optioservus that clarified boundaries using male genitalia and elytral patterns, resolving previous difficulties caused by reliance on variable external characters.