davidsoni Cockerell, new comb .

Megachile davidsoni Cockerell 1902: 70 . Female. Type locality: Southern California [U.S.A.]. Type repository: AMNH. Examined.

Megachile occidentalis var. l eucotricha Cockerell 1902: 137. Male. Synonymy of Mitchell 1937d: 401.

Megachile davidsoni Crawford 1915: 578 .

Megachile (Chelostomoides) davidsoni Mitchell 1937d: 401 ­402.

Chalicodoma (Chelostomoides) davidsoni Hurd 1979: 2074 .