thoracicus Macquart, 1834: 261 . Type locality: “Amérique méridionale”. Distr.— Brazil (Mato Grosso, Paraná, Rio de Janeiro, Rio Grande do Norte, Santa Catarina, São Paulo), Colombia, Costa Rica, Guatemala, Honduras, Mexico (Campeche, Chiapas, Michoacán, Morelos, Nuevo León, Oaxaca, Puebla, Tamaulipas, Veracruz, Yucatán), Panama. ST F [UNK]. Refs.— Williston, 1888: 248 –249; Lindner, 1933a: 201 (as Merosargus thoracicus); Lindner, 1933c: 328 (as Merosargus thoracicus); James 1941: 304 (key to species); James, 1949: 3; Viana & Xerez, 2003: 80 (description of puparium); Fachin & Amorim, 2015: 110 (taxonomic revision).

Sargus concinnus Osten Sacken, 1886a: 23. Type locality: Guatemala, San Gerónimo. LT F [BMNH]. Refs.— McFadden, 1972b: 261; Woodley, 2001: 229 (cat.).