The Collaborative International Dictionary
Megachile centuncularis
leaf cutter \leaf cutter\, leaf-cutter \leaf-cutter\n. (Zo["o]l.) Any one of various species of wild bees of the genus Megachile, which cut rounded pieces from the edges of leaves, or the petals of flowers, to be used in the construction of their nests, which are made in holes and crevices, or in a leaf rolled up for the purpose. Among the common American species are Megachile brevis and Megachile centuncularis. Called also rose-cutting bee.
Syn: leaf-cutting bee, leaf-cutter bee.
Wikipedia
Megachile centuncularis
Megachile centuncularis is a species of bee in the family Megachilidae. It was described by Carl Linnaeus in 1758.