Genus Neogaster Cernosvitov, 1934

Neogaster Cernosvitov, 1934: 51 . — Righi & Caballero 1970: 94. — Righi 1988: 351.

TYPE SPECIES. — Neogaster americanus Cernosvitov, 1934 .

DIAGNOSIS. — Setae arranged in eight regular longitudinal lines. Clitellum extending from segments XIII to XX. Weak gizzard in VI. Excretory system meronephric. Two pairs of calciferous glands in XIV-XV, of lamellar type and opening in the esophagus through a common duct. Genital apparatus acanthodriline. Spermathecae in pre-testicular segments, paired and without diverticula (Cernosvitov 1934; Csuzdi 2010).

DISTRIBUTION. — Neogaster comprises four Neotropical species (not including the new species described here), all known from the state of Amapá in Brazil (Cernosvitov 1934; Righi & Caballero 1970; Righi 1988; Brown et al. 2023).