Mason bees are bees in the genus Osmia, of the family Megachilidae. Mason bees are named for their habit of using mud or other "masonry" products in constructing their nests, which are made in natural
Osmia rufa couple
Homemade nest block showing full occupancy
Mason bee nest cell with egg on pollen bed
Worksheet cycle of larvae to cocoon
Megachilidae is a cosmopolitan family of mostly solitary bees. Characteristic traits of this family include the restriction of the pollen-carrying scopa to the entire ventral surface of the abdomen an
Mason bee
…Mason bees are bees in the genus Osmia, of the family Megachilidae. Mason bees are named for their habit of using mud or other "masonry" products in constructing their nests, which are made in naturally occurring gaps…
A leaf-cutter bee showing abdominal scopa
Megachile centuncularis cutting a leaf
Megachile sp. with cut leaf