Optioservus divergens
(LeConte, 1874)
Optioservus divergens is a of riffle beetle in the Elmidae. The species was described by LeConte in 1874 and is currently accepted under this name, though it was formerly classified in the Heterlimnius. Riffle beetles in this family are aquatic insects typically associated with running water .
Pronunciation
How to pronounce Optioservus divergens: /ˌɒptiəˈsɜrvəs daɪˈvɜrdʒɛnz/
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Habitat
Riffle beetles in the Elmidae are generally associated with lotic (flowing water) , particularly riffles and runs in streams and rivers. They are typically found on submerged substrates including rocks, woody debris, and aquatic vegetation.
Distribution
North America, with documented occurrence in the Canadian provinces of Alberta, British Columbia, and Saskatchewan.