Copelatinae
Guides
Copelatus chevrolati
Chevrolat's Dytiscid
Copelatus chevrolati is a small diving beetle in the family Dytiscidae, subfamily Copelatinae. Adults measure 5.3–6.7 mm in length and 2.6–3.1 mm in width, with coloration ranging from pale to dark reddish brown. The species is distinguished from other North American Copelatus by having 8 or 9 discal striae on the elytra. Two subspecies are recognized: the eastern C. c. chevrolati and the western C. c. renovatus. The species has been recorded across the southern and central United States and was recently documented from Cuba, representing a significant range extension.
Copelatus distinctus
Copelatus distinctus is a species of diving beetle described by Aubé in 1838. It belongs to the genus Copelatus within the subfamily Copelatinae of the family Dytiscidae. The species is recorded from Middle America based on available distribution data. Like other members of Copelatus, it is an aquatic predator inhabiting freshwater environments.