Landrevinae

Campos, Lucas Denadai De & De Mello, Francisco De A. G., 2014, Taxonomic studies on the Neotropical Landrevinae with description of new taxa (Orthoptera, Grylloidea, Gryllidae), Zootaxa 3852 (2), pp. 151-178 : 177

Key for the genera of neotropical Landrevinae

1a. male fore wings without stridulatory file; subgenital plate elongate............................................. 2

1b. male fore wings with stridulatory file; subgenital plate short (does not apply to Brasilodontus apterus )................. 3

2a. median ocellus large; fore wings without a gland; female fore wings very small, scale-shaped... Odontogryllus Sassure, 1877

2b. median ocellus small; fore wings with a gland, strongly modified; female fore wings absent........... Xulavuna , n. gen.

3a. fore wings without harp veins; pseudepiphallus short, main lobes of pseudepiphallus slightly invaginated posteriorly...... 4

3b. fore wings with harp veins; pseudepiphallus long, main lobes of pseudepiphallus deeply invaginated................................................................................................ Brasilodontus de Mello, 1992

4a. hind wings present; metanotal gland present; dorsum abdominal sclerite I not modified, without a complex glandular structure; posterior margin of pseudepiphallus concave; ectophallic apodeme very small.................. Valchica de Mello, 1992

4b. hind wings absent; metanotal gland absent; dorsum abdominal sclerite I strongly modified, almost completely fused and con- cealing sclerite II, also bearing a complex glandular structure (fig. 14E–G); pseudepiphallus bilobate at the apex; ectophallic apodeme long.......................................................................... Yarrubura , n. gen.