''Ilybius oblitus'' is a species of

predaceous diving beetle The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a Family (biology), family of water beetles. They occur in virtually any freshwater habitat around the world, but a ...

in the family Dytiscidae. It is found in North America.This species can tolerate low temperatures, but is still susceptible to freezing.

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