Lake-scott-state-park

Guides

• Optioservus phaeus

  Scott optioservus riffle beetle

  Optioservus phaeus is a species of riffle beetle (family Elmidae) described by White in 1978. It belongs to a genus of small aquatic beetles inhabiting running waters. The species was described as part of a taxonomic revision based on male genitalia, elytral patterns, and geographic distribution. It is known from a highly restricted range in Kansas.

  Elmidaeriffle-beetleaquatic-beetleendemicKansasLake-Scott-State-Parkrarerestricted-rangeWhite-1978Nearcticrunning-waterfreshwater