Sennius obtusus (Boheman, 1859) . New combination.

Bruchus obtusus Boheman, 1859: p. 113 . From label: “Monte / video" [Uruguay]. Syntype male deposited in the NHRS.

Bruchus obtusus: Gemminger & Harold (1873), p. 3227 (catalog); Pic (1913), p. 38 (catalog).

Acanthoscelides obtusus: Blackwelder (1946), p. 760 (catalog, comb. nov.); Udayagiri & Wadhi (1989), p. 56 (catalog).