Ptomaphaginus obtusus Szymczakowski 1959

Ptomaphaginus obtusus Szymczakowski, 1959: 135 . (holotype in HNHM)

Loc. typ.: Sumatra central, Fort de Kock, caverne Pauh

Ptomaphaginus balazuci Perreau, 1995: 970 . syn. nov.

Loc. typ.: Indonésie, Ngalam Kamang près de Tinngo

Closer inspection of the type material of P. balazuci and the description of P. obtusus reveal that the external and genital traits of the two are identical. Hence, we consider P. balazuci a junior synonym of P. obtusus . The collection localities of the two are from the same locality.