A phylogenetic analysis of the aquatic weevil tribe Bagoini (Coleoptera: Curculionidae) based on morphological characters of adults Author ROBERTO CALDARA Author CHARLES W. O’BRIEN Author MASSIMO MEREGALLI text Zootaxa 2017 2017-07-05 4287 1 1 63 journal article 32713 10.11646/zootaxa.4287.1.1 91e8f5fd-1e15-4c4f-872f-3d4c50d0c8a7 1175-5326 829051 13C4F702-EF00-4F04-B38E-3F0AA6CAF718 2. Bagous costulatus group Diagnosis. Penis body with broad horizontal plate over orifice (char. 79.1). Endophallus at base with many large spicules (char. 89.2). Remarks. This group differs from the B. chevrolati group by two character states in the male genitalia (char. 79.1 and 89.2). Species included. PAL: * Bagous costulatus Perris, 1870 , B. sabellai Caldara & O'Brien, 1998 .