Hydrochasma incisum (Coquillett 1902)

Hydrochasma incisum (Coquillett)

Discocerina incisa Coquillett, 1902:182.

Hydrochasma incisum.—Cresson, 1942:113 [generic combination].—Wirth, 1968:8 [Neotropical catalog].

SPECIMENS EXAMINED.—BELIZE. Belize District: Turneffe Islands: Calabash Cays (17°17′N, 87°48′W), Mar 1993, W.N. Mathis (40, 17). Stann Creek District: Man of War Cay, Nov 1987, W.N. and D. Mathis (2); Twin Cays (south end of East Island, West Bay), Jan 1987, Mar 1988, W.N. Mathis, C. Feller (2, 3); Wee Wee Cay, Jan, Nov 1987, Mar 1988, W.N. and D. Mathis, C. Feller (36, 26).

DISTRIBUTION.—Nearctic: USA (FL). Neotropical: Belize, Bolivia, Brazil, Mexico, Panama, West Indies (Dominica, Grand Cayman, Jamaica, Puerto Rico, St. Vincent).

DIAGNOSIS.—This species is distinguished from congeners by the following combination of characters: antenna mostly yellowish, at most with dorsal surface of pedicel and first flagellomere dark; parafacial silvery white, distinctly contrasted with mostly yellowish face; forefemur lacking a comb-like row of stout setulae along anteroventral surface; tibiae mostly gray; and abdomen with wedge-shaped silvery gray areas laterally on tergite four and sometimes three.

(Fig. 95). Nearctic: United States (Florida). Neotropical: Argentina (Salta), Belize (Belize, Stann Creek), Bolivia (Beni, La Paz), Brazil (Amazonas, Paraná, Rio de Janeiro, Santa Catarina, São Paulo), Chile (Tarapacá), Costa Rica (Cartago, Guanacaste, Heredia, Limón, Puntarenas, San José), Ecuador (Azuay, Guayas, Loja), Guyana, Honduras (Cortés), Mexico (Tamaulipas, Veracruz-Llave), Nicaragua (León), Panama (Panama), Paraguay (Cordillera), Peru (Cuzco, Madre de Dios), Trinidad and Tobago, West Indies (Barbados, Cuba, Dominica, Dominican Republic, Grenada, Jamaica, Puerto Rico, St. Lucia, St. Vincent).