Tribe Diochini Casey, 1906

0943. Antarctothius Coiffait & Sáiz, 1969: 279

Type species: Othius antarcticus Fairmaire, 1885

2 species are known from and are restricted to South America.

Key: Coiffait & Sáiz 1969: 281 (species of Tierra del Fuego, Chile).

Distribution.

South America: Chile, Argentina.

0944. Diochus Erichson, 1839a: 300 (Fig. 188)

Type species: Diochus nanus Erichson, 1839

Rhegmatocerus Motschulsky, 1858d: 657 [synonymized by Gemminger & Harold 1 868: 608]

Type species: Rhegmatocerus punctipennis Motschulsky, 1858

42 species are included in this genus from Latin America.

Characters/Description: Lynch-Arribálzaga 1884: 171 (characters); Blackwelder 1943: 394 (characters in key), 455 (characters); Smetana 1982: 27 (characters); Navarrete-Heredia et al. 2002: 295 (characters in key); Newton & Peck 2006: 152 (characters in key).

Key: Irmler 2017a: 4 (Neotropical species groups of the genus), 57 (males of the Neotropical species), 59 (females of the Neotropical species).

Distribution.

West Indies: Cuba, Cayman Is., Jamaica, Dominican Republic, Puerto Rico, British Virgin Isl., Guadeloupe, Dominica, Saint Vincent & the Grenadines, Barbados, Grenada, Trinidad-Tobago.

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

South America: Colombia, Venezuela, Guyana, French Guiana, Suriname, Ecuador, Galapagos Isl., Peru, Bolivia, Brazil, Paraguay, Argentina.

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