Abstract
Leaf-cutting bees, Megachile (Apoidea: Megachilidae), include important pollinators of wild and cultivated plants and most species are known to cut leaves and roll them to line their brood cells when building nests. Megachile is the largest genus of Megachilidae (approximately 1500 species worldwide) and is also the most species-rich in Brazil, which poses challenges to the taxonomy of hi…