Megachile sp: Leafcutter Bee - Description of a bee in this genus and a photograph of its nest. Megachilidae - Information from Wikipedia on this family of solitary bees, commonly called leafcutter or mason bees depending on the material of which they construct their nests. Giant Resin Bee - Photograph and information on Megachile sculpturalis from the Virginia Cooperative Extension. Leaf-Cutter Bees - Popular article about leaf-cutter bees, family Megachilidae, and their nesting behavior. Megachilidae: Leafcutting Bees - Provides photographs and information on these bees, their distribution, description, biology, host plants, natural enemies and management. Wool Carder Bee - Photographs of Anthidium manicatum, description, life history and habits.