Unlike honeybees, mason bees are solitary bees that do not live in colonies. The female mason bee nests in hollow tubes, where she constructs walls of mud to protect her eggs. She will be very picky about the cleanliness of the tubes she nests in, but once she has selected a proper tube, she builds the first mud wall. She constructs these walls by making about 15-25 trips to a nearby source of mud. Continue reading →