Subtribe Astenina Hatch, 1957

0849. Astenus Dejean, 1833: 65 (Fig. 152)

Type species: Staphylinus angustatus Paykull, 1789

Subgenera:

Astenopleuritus Coiffait, 1982: 98

Type species: Astenus flavipennis Cameron, 1931

Astenus Dejean, 1833: 65 [*]

Type species: Staphylinus angustatus Paykull, 1789

Astenognathus Reitter, 1909: 150 [synonymized by Assing 2008a: 1241]

Type species: Sunius bimaculatus Erichson, 1840

Thoobia Gistel, 1856: 389 [synonymized by Blackwelder 1952: 388]

Type species: Staphylinus angustatus Paykull, 1789

Eurysunius Reitter, 1909: 149

Type species: Sunius paradoxus Eppelsheim, 1878

Mecognathus Wollaston, 1854: 595

Type species: Mecognathus chimaera Wollaston, 1854

Suniogaster Reitter, 1909: 151 [synonymized by Blackwelder 1943: 365]

Type species: Sunius ampliventris Reitter, 1900

Neognathus Sharp, 1874: 69

Type species: Neognathus angulatus Sharp, 1874

46 species are included in this genus from Latin America.

Characters/Description: Stephens 1833a: 275 (characters); Blackwelder 1943: 231 (characters in key), 365 (characters); Blackwelder 1939: 101 (characters in key); Navarrete-Heredia et al. 2002: 267 (characters in key); Newton & Peck 2006: 148 (characters in key).

Key: Blackwelder 1943: 366 (species of the West Indies).

Distribution.

West Indies: Cuba, Cayman Is., Jamaica, Dominican Republic, St. Lucia, St. Vincent & Grenadines, Grenada, Trinidad-Tobago.

Central America: Mexico, Guatemala, Nicaragua, Costa Rica, Panama.

South America: Colombia, Venezuela, Galapagos Isl., Brazil, Uruguay, Argentina.

Other regions: Nearctic, Palaearctic, Ethiopian, Madagascan, Oriental, Australian, Oceanic.