“They’re great pollinators, collecting pollen on the underside of their abdomens.” Mason bees (family: Megachilidae) are about 3/8 to 5/8 inches long and are dull brown, black or metallic blu ...

Most species around a centimeter in length or so; body type is more squat and rounded. They are called "hairy-belly bees" because they carry their pollen under their abdomen (notice the picture lower ...

Two-coloured mason bees use snail shells for egg laying. They pack the shell with pollen and nectar for their larvae, then seal it with grass and sticky saliva. Humans sometimes consider snails to be ...