33. XANTHOPYGUS Kraatz, 1856: 539
Xanthopygus calidus (Erichson, 1839: 364) [ Staphylinus]
Xanthopygus solskyi Sharp, 1876a: 126 [synonymized by Fauvel 1891: 108]
Distribution: Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Ecuador, Peru, Bolivia, Brazil, Paraguay, Argentina.
Locality records: WITHOUT SPECIFIC DEPARTMENT: Without specific locality Scheerpeltz 1969b: 112, 113; Navarrete-Heredia et al. 2002: 353; Herman 2001f: 3605; Asenjo et al. 2013: 345.
Xanthopygus cognatus Sharp, 1876a: 131 [ Xanthopygus]
Distribution: Mexico, Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Guyana, Ecuador, Peru, Bolivia, Brazil.
Locality records. WITHOUT SPECIFIC DEPARTMENT: Without specific locality Quezada et al.: 1969: 268; Herman 2001f: 3606; Navarrete-Heredia et al. 2002: 353; Asenjo et al. 2013: 346.
Xanthopygus flohri Sharp, 1884: 345 [ Xanthopygus]
Distribution: Mexico, Guatemala, El Salvador, Costa Rica, Panama.
Locality records: WITHOUT SPECIFIC DEPARTMENT: Without specific locality Scheerpeltz 1969b: 113; Herman 2001f: 3607; Navarrete-Heredia et al. 2002: 353.
Xanthopygus morosus Sharp, 1884: 346 [ Xanthopygus]
Distribution: Mexico, Guatemala, El Salvador.
Locality records: WITHOUT SPECIFIC DEPARTMENT: Without specific locality Scheerpeltz 1969b: 112; Herman 2001f: 3607.
Xanthopygus sapphirinus (Erichson, 1839: 364) [ Staphylinus]
Distribution: Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Guyana, French Guiana, Ecuador, Peru, Bolivia, Brazil, Paraguay, Argentina.
Locality records: WITHOUT SPECIFIC DEPARTMENT: Without specific locality Scheerpeltz 1969b: 113, 114; Herman 2001f: 3609; Navarrete-Heredia et al. 2002: 353; Asenjo et al. 2013: 348.
Xanthopygus xanthopygus (Nordmann, 1837: 45) [ Staphylinus]
Xanthopygus abdominalis Gemminger & Harold, 1868: 597 [synonymized by Sharp 1884: 347]
Xanthopygus cacti Horn, 1868: 131 [synonymized by Navarrete-Heredia et al. 2002: 353]
Distribution: USA, Mexico, Guatemala, El Salvador, Colombia, Peru, Brazil.
Locality records: SAN SALVADOR: San Salvador (AMNH, determined by Newton in 1998); WITHOUT SPE- CIFIC DEPARTMENT: Without specific locality Navarrete-Heredia et al. 2002: 353; Asenjo et al. 2013: 349.