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Megachilini is a tribe of leaf-cutter and resin bees. Megachilini is the most speciose tribe in Megachilidae. The phylogenetic relationships within and between its genera are still obscure, despite its high diversity.
Alocanthedon Engel and Gonzalez Boreocoelioxys Mitchell Callomegachile Michener Chelostomoides Robertson Coelioxys Latreille, 1809 Creightonella Cockerell, 1908 Cyrtocoelioxys Mitchell Gronoceras Cockerell, 1907 Heriadopsis Cockerell, 1931 Liothyrapis Cockerell, 1911 Matangapis Baker & Engel, 2006 Megachile Latreille, 1802 Noteriades Cockerell, 1931 Radoszkowskiana Popov, 1955 Rozenapis Gonzalez & Engel, 2019 Saucrochile Gonzalez & Engel, 2019 Synocoelioxys Mitchell Xanthosarus Robertson Xerocoelioxys Latreille