A taxonomic revision of the Neotropical weevil genus Cleogonus Schönherr (Curculionidae, Molytinae).

Abstract

Ten described and seven new species of Cleogonus are recognized in the Neotropics. The larvae of at least five are seed predators on Andira and one possibly on Albizia, both being widely distributed fabaceous trees with many commercial uses. Lectotypes are designated for C. armatus Champion, 1904, C. brasiliensis Fiedler, 1951, C. fratellus Fiedler, 1951, C. lateralis Fiedler, 1951, and C. rectirostris Fiedler, 1951 to promote stability in the usage of these names. New synonyms are C. distinctus Chevrolat (= C. columbianus Chevrolat 1880, syn. n., C. mixtus Fiedler, 1951, syn. n.), C. marginesulcatus Chevrolat, 1880 (= C. lateralis Fiedler, 1951, syn. n., C. marginatus Fiedler, 1951, syn. n.), and C. nucula (Germar, 1824) (= C. brevirostris Fiedler, 1951, syn. n.). Three species, as follows, are excluded from Cleogonus based on their descriptions; the types are either destroyed or could not be located: Cleogonus pumillus Montrouzier, 1855 and C. trochilus (Olivier, 1807) are transferred to the Cryptorhynchini, as Pseudomus trochilus comb. n. and Thyestetha pumillus comb. n., and C. grossulus Suffrian, 1872 to Cleogonini incertae sedis. Newly described are C. boberix sp. n. [Mexico, Panama], C. caveyi sp. n. [Argentina, Brazil], C. eldarayae sp. n. [Costa Rica, El Salvador, Peru], C. foveipennis sp. n. [Brazil, Paraguay], C. nuculipar sp. n. [Bolivia], C. striatipennis sp. n. [Brazil], and C. toricrus sp. n. [Argentina, Bolivia, Brazil]. Habitus illustrations are provided for all new species. (© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)