Chelostoma is a genus of bees in the Osmiini tribe of the family Megachilidae.

[1] The genus is divided into 5 subgenera with at least 60 described species.

[2] These 60 species belong to the genus Chelostoma: Data sources: i = ITIS,[3] c = Catalogue of Life,[4] g = GBIF,[5] b = Bugguide.net[6] This Megachilidae-related article is a stub.

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