Pyrearinus flatus Costa, 1978: 203

Holotype: 1 ♂. Castilho, mar. esq., r. Paraná, SP. X.1964, Exp. Depto. Zool.; [on red] holótipo; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, holótipo.

Conservation status: Good condition.

Paratypes: 7. Brasil; Coll. Schwarz; Diech Entomol. Institut Berlin; DEIE; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo.

Conservation status: Good condition.

Paratypes: 2 [unknown sex]. XI. 1944, São Paulo, N. Horizonte, col. Araujo; IB; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo.

Conservation status: Good condition. Abdomen glued on card under one specimen. Paratype: 1 ♂. San Bernardino, A. Fischer, S. G., 31. I. 1913; Seckenberg Museum, Frankfurt/ Main; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo; SMF.

Conservation status: Good condition; abdomen glued on card under specimen; genitalia glued on transparent card under specimen.

Paratype: 1 [unknown sex]. Paraguay; MNHNP; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo.

Conservation status: Good condition.

Paratype: 1 [unknown sex]. Três Lagoas, MT, mar. Esq. Rio Sucuriu, Faz. Canaã, 26.X–4–XI, F. Lane col. 1970; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo.

Conservation status: Good condition.

Paratype: 1 [unknown sex]. Chapada, Brazil, Acc. No, 2966; Nov.; CM; [on red] Pyrearinus flatus sp. nov. C. Costa det. 1978, parátipo.

Conservation status: Good condition; abdomen glued on card under specimen; genitalia glued on transparent card under specimen.