Synopsis of Brachycyrtus Kriechbaumer, 1880 (Hymenoptera: Ichneumonidae: Brachycyrtinae) from Brazil, with description of two new species.

The Brazilian species of the Darwin wasp genus Brachycyrtus Kriechbaumer, 1880 (Hymenoptera: Ichneumonidae: Brachycyrtinae) are reviewed; a total of 12 species are recognized, of which two are described as new: Brachycyrtus amazonensis sp. n. and Brachycyrtus ocellicarinatus sp.

Synopsis of Lusius Tosquinet, 1903 (Hymenoptera: Ichneumonidae: Phaeogenini) from South America: a new species, new records, and key to Neotropical species.

A new species of Lusius Tosquinet, 1903 (Hymenoptera: Ichneumonidae: Phaeogenini) is described from the northwestern Andes of Colombia, and additionally, the geographic distribution of Lusius ferrugineus Graf, 2000 is expanded to Bahia and Rio Grande do Sul states, Brazil. New comparative diagnoses, distribution maps, and an illustrated key to Neotropical species are also provided.