Liodessus-affinis-complex

Guides

• Liodessus noviaffinis

  Liodessus noviaffinis is a small predaceous diving beetle described in 1998 from Florida. It belongs to the L. affinis species complex, a group of four closely related North American species that are difficult to distinguish based on external morphology. The species is known from the eastern United States and Canada, with records from New Brunswick and Nova Scotia. Male genitalia provide the only reliable means of identification.

  predaceous-diving-beetleDytiscidaeLiodessus-affinis-complexmale-genitalia-required-for-identificationcryptic-speciesNearcticaquatic-beetle