Subgenus Austromegachile Mitchell

Megachile (Austromegachile) Mitchell 1943: 666 . Type species: Megachile montezuma Cresson 1878 . Original designation. Michener et al 1994: 149, Michener 2000: 550.

Cressoniella (Austromegachile) Mitchell 1980: 63 .

Holcomegachile Moure 1953: 119. Type species: Megachile giraffa Schrottky 1913 a. Original designation. Monotypic.

Megachile (Holcomegachile) Michener et al 1994: 149. Synonymy of Michener 2000: 550.