oblita Vachal, new comb .

Megachile oblita Vachal 1908: 232 . Female. Type locality: Mapirí, Bolivia. Specimens at USNM determined by T.B. Mitchell belong to this subgenus.

xanthura Spinola, new comb.

Megachile xanthura Spinola 1853: 86 . Sex? Type locality: Para? Brazil. Specimens at USNM which T.B. Mitchell determined as xanthura Spinola belong to this subgenus.