New species are described and illustrated: Amblycerus isabelae sp.n., A. bidentatus sp.n., A. denticulatus sp.n., A. similaris sp.n., A. similis sp.n.. A. isocalcaratus sp.n. and A. luciae sp.n.. These species are recorded from Brazil and one of them, A. bidentatus sp.n., also recorded from Paraguai.
Coleoptera; Bruchidae; Amblycerus; taxonomy