nigripennis Spinola, new combination by association

Megachile nigripennis Spinola 1841: 143 . Female. Type locality: Cayenne, French Guiana.

Megachile hypocrita Smith 1853: 184 ­184. Female. Type locality: Pará [Brazil]. Type repository: BMNH 17a2460. Examined. NEW SYNONYMY.

Megachile totonaca Cresson 1878: 117 . Female. Type locality: Mexico. Type repository: ANSP 2422. Examined. NEW SYNONYMY.

Megachile proserpina Schrottky 1908: 233 ­234. Female. Type locality: Asunción, Paraguay. Synonymy of Schwarz 1934: 21.

Megachile fumicosta Strand 1910: 537 . Male. Type locality: Villa Mora, Paraguay. Synonymy of Mitchell 1934: 303.

Megachile vernoniae Schrottky 1913a: 248 . Male. Type locality:Assumpção/ Puerto Bertoni, Paraguay. Synonym of M. fumicosta Strand. See Schrottky 1920a: 23 ­24.

Megachile (Melanosarus) proserpina Mitchell 1943: 663 .