Optioservus

Optioservus
Optioservus larva
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Family:	Elmidae
Subfamily:	Elminae
Tribe:	Elmini
Genus:	Optioservus Sanderson, 1954

Optioservus was a genus of riffle beetles in the family Elmidae; as of 2021 it is a junior synonym of Heterlimnius[1]. There were about 13 described species in Optioservus.[2][3][4]

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)

References

1. Kobayashi, Takuya; Hayashi, Masakazu; Kamite, Yuuki; Sota, Teiji (2021). "Molecular phylogeny of Elmidae (Coleoptera: Byrrhoidea) with a focus on Japanese species: implications for intrafamilial classification". Systematic Entomology. 46 (4): 870–886. doi:10.1111/syen.12499.
2. "Optioservus Genus Information". BugGuide.net. Retrieved 9 February 2018.
3. "Optioservus Report". Integrated Taxonomic Information System. Retrieved 9 February 2018.
4. "Optioservus Overview". Encyclopedia of Life. Retrieved 9 February 2018.

Further reading

• Arnett, R. H. Jr.; Thomas, M. C.; Skelley, P. E.; Frank, J. H., eds. (21 June 2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press LLC, Boca Raton, Florida.
• Arnett, Ross H. (30 July 2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. ISBN 978-0-8493-0212-1.
• White, Richard E. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.