Acanthoscelides argentinus var. nigrocephalus

Acanthoscelides argentinus var. nigrocephalus (Pic, 1938). Combination confirmed. Bruchus argentinus var. nigrocephalus Pic, 1938a: p. 20. From label: “Republique Argne / Chaco de Santiago / Del Estero – Rio Salado; Février; Collection / Wagner” [Argentina]. Syntype male deposited in the MNHN; syntype males deposited in the MLPA. The male specimen in Paris has a “ Lectotype ” label affixed by Kingsolver. But this was never published, so these remain syntypes. Bruchus argentinus var. nigrocephalus: Udayagiri & Wadhi (1989), p. 37 (catalog); Cabrera & Fernández (1998), p. 3 (catalog). Acanthoscelides atrocephalus var. nigrocephalus: Blackwelder (1946), p. 758 (catalog, comb. nov.).