''Amphizoa insolens'' is a species of aquatic

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

s. It is found in North America from Alaska to southern California.Nilsson, Anders N., and Bernhard J. van Vondel (2005), World Catalogue of Insects. Volume 7: Amphizoidae, Aspidytidae, Haliplidae, Noteridae and Paelobiidae (Coleoptera, Adephaga) Illinois Natural History SurveyKavanaugh, David H. (1986) A systematic review of amphizoid beetles (Amphizoidae: Coleoptera) and their phylogenetic relationships to other Adephaga, Proceedings of the California Academy of Sciences, vol. 44, no. 6''Amphizoa insolens''.
California Beetles Project. Adult ''A. insolens'' beetles are between 10.9 and 15 millimeters long. Their front tarsi lack well-developed grooves with hair-like

setae In biology, setae (singular seta ; from the Latin word for "bristle") are any of a number of different bristle- or hair-like structures on living organisms. Animal setae Protostomes Annelid setae are stiff bristles present on the body. Th ...

References

Adephaga Beetles described in 1853 Aquatic insects Taxa named by John Lawrence LeConte {{Adephaga-stub