hydro canthari

pl. [Pref. hydro- (2), and Lat. cantharis .] Entom .: Swimmers. The name given by Latreille, Cuvier, ., to a tribe of pentamerous aquatic beetles, now more generally called Hydradephaga (q. v.). The latter is a better name, for they have no close affinity to the Cantharides. (q. v.).]