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Mason Bee Houses and Bee Traps

Mason Bee Houses and Bee Traps Image
Mason bee is a common name for species of bees in the genus Osmia. They are named from their habit of making compartments of mud in their nests, which are made in hollow reeds or holes in wood made by wood-boring insects. Unlike honey bees or bumblebees, Osmia are solitary; every female is fertile and makes her own nest, and there are no worker bees for these species. Solitary bees produce neither honey nor beeswax. Females then visit flowers to gather pollen and nectar, and many trips are needed to complete a pollen/nectar provision mass. Once a provision mass is complete, the bee backs into the hole and lays an egg on top of the mass. Then she creates a partition of "mud", which doubles as the back of the next cell. The process continues until she has filled the cavity. Female-destined eggs are laid in the back of the nest, and male eggs towards the front.
Once a bee has finished with a nest, she plugs the entrance to the tube, and then may seek out another nest location.
Mason Bee Houses and Bee Traps
Mason Bee House - Slant Roof Image

Mason Bee House - Slant Roof
Western Red Cedar Mason bee house with slant roof