Subfamily MEGALOPSIDIINAE Leng, 1920
0783. Megalopinus Eichelbaum, 1915: 104 (Figs. 128–131)
Type species: Oxyporus caelatus Gravenhorst, 1802
Aulacotrachelus L. Benick, 1920: 1 [synonymized by L. Benick 1922: 1]
Type species: Oxyporus caelatus Gravenhorst, 1802
Megalops Erichson, 1839a: 30 [synonymized by Scheerpeltz 1933: 1142]
Type species: Oxyporus caelatus Gravenhorst, 1802
Megalopsidia Leng, 1918: 204 [synonymized by Blackwelder 1952: 235]
Type species: Oxyporus caelatus Gravenhorst, 1802
Subgenera:
Gata Blackwelder, 1943: 202 [*]
Type species: Megalops praeditus Sharp, 1886
Perostylus L. Benick, 1917: 190 [synonymized by Blackwelder 1943: 202]
Type species: Megalops praeditus Sharp, 1886
Megalopinus Eichelbaum, 1915: 104 [*]
Type species: Oxyporus caelatus Gravenhorst, 1802
Megalopsidiella Bernhauer, 1933c: 333 [*]
Type species: Megalopsidia ogloblini Bernhauer, 1933
Polycyrtopsidia Scheerpeltz, 1972d: 95 [*]
Type species: Megalopsidia sanguinitriguttata Scheerpeltz, 1972
Stylopodus L. Benick, 1917: 190 [*]
Type species: Megalops cephalotes Erichson, 1840
332 species are included in this genus from Latin America.
Characters/Description: Coiffait & Sáiz 1968: 395 (characters, Megalopsidia).
Key: Bernhauer 1933c: 333 ( Megalopsidia of the Argentina); Blackwelder 1943: 203 (species of the subgenus Stylopodus of the West Indies); Sáiz 1970d: 3 (species of Chile); Puthz 1972: 119 ( Megalopinus of the Chile); Puthz 1994a: 17 (species of Megalopinus peploides group); Puthz 1994b: 425 (species of incisicollis complex); Puthz 2012: 620 (Neotropical species and species group), 674 (species of the subgroup pulcher of caelatus group), 682 (species of cephalotes group), 690 (species of incisicollis group), 711 (species the frons - complex of punctatus group).
Distribution.
West Indies: Cuba, St. Vincent & Grenadines, Grenada, Trinidad-Tobago.
Central America: Mexico, Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama.
South America: Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia, Brazil, Paraguay, Chile, Argentina.
Other regions: Nearctic, Palaearctic, Ethiopian, Madagascan, Oriental, Australian.