Osmia foxi is a species of mason bees in the family Megachilidae.

[1][2] It is found in New Mexico and southeastern Arizona in the United States and in Sonora, Mexico.

[3] The female Osmia foxi are 9.5 mm to 10.5 mm total length, and the males are 8.5 mm to 10.5 mm.

The body is a brilliant metallic green to blue-green, except yellow-green on the face.

This Megachilidae-related article is a stub.