pulchra Williston, 1896: 399, (Hydrellia).

Type locality, West Indies, St. Vincent. HT M (BMNH).

Distr.: Nearctic: United States (Florida). Neotropical: Argentina (Buenos Aires, Catamarca, Chaco, Iguazu), Belize (Cayo), Bolivia (La Paz), Brazil (Santa Catarina), Colombia (Antioquia, Bolivar, Valle del Cauca), Costa Rica (Alajuela, Puntarenas, San José), El Salvador (La Libertad), Guatemala (Suchitepequez), Guyana, Honduras (Cortes), México (Chiapas, Guerrero, Michoacan, Nayarit, Veracruz), Panama (Canal Zone), Paraguay (Central), Peru (Huánaco, Loreto), West Indies (Dominica, Dominican Republic, Guadeloupe, Haiti, Puerto Rico, St. Vincent). Refs.: Cresson, 1947a: 42 (review); Edmiston & Mathis, 2005: 60–63 (rev.); Hendel, 1930: 141 (generic comb.).