Resumen

The genus Chespiritos Marshall, 2000 (Diptera: Sphaeroceridae) is revised, including C. sindecimus Marshall, 2000, C. pervadens Roháček and Buck, 2003 and 19 new species. The following new species are described, keyed and placed in a morphological phylogeny: C. anguineus sp. n. from Bolivia, C. attenboroughi sp. n. from Argentina, C. balrogiformis sp. n. from Peru, C. bolanosi sp. n. from Mexico, C. calceus sp. n. from Peru, C. chicobrazos sp. n. from Costa Rica, C. coronatus sp. n. from Bolivia, Brazil, Colombia, Costa Rica, Ecuador and Trinidad, C. dolabratus sp. n. from Costa Rica, C. elephantus sp. n. from Ecuador and Peru, C. extendido sp. n. from Bolivia, Colombia, Costa Rica, Ecuador, Mexico, Panama and Venezuela, C. ganchopico sp. n. from Argentina, Bolivia, Ecuador, Panama and Tobago, C. gladiator sp. n. from Costa Rica, C. hojagrande sp. n. from Costa Rica and Mexico, C. jamaicensis sp. n. from Jamaica, C. lepustergum sp. n. from Costa Rica and Venezuela, C. metroidiformis sp. n. from Costa Rica, C. paraiso sp. n. from Dominican Republic, C. peckorum sp. n. from Ecuador, and C. ventrisetis sp. n. from Brazil, Costa Rica and Venezuela.