Taxonomic notes on Amarodytes duponti (Aubé, 1838) (Dytiscidae, Hydroporinae, Bidessini) with redescription of male genitalia

Abstract

The male genitalia of the water beetle Amarodytes duponti (Aubé, 1838) are described and illustrated. The species was collectedin small pools of rainwater on the margins of a river. A. duponti is distinguished from other species of the genus by the presence of bi-segmented parameres. This species is related to Bidessodes Régimbart, Hypodessus Guignot and Tepuidessus Spangler.