leafcutter bee

noun

any of various solitary bees of the genus Megachile that nest in soil or rotten wood, constructing the cells in which they lay their eggs from pieces of leaf

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012