Masonry Bees - Not Wasps Masonry Bees - Are They Dangerous? Masonry Bees Are Often Confused With Wasps Masonry Bees are reportedly responsible for many stings in Bristol and Bath each year, and we hear from our customers how these bees have stung them. Yes, stings from solitary bees are indeed rare, but they do happen. Casualties reported that the stings were not left embedded in the skin like those of Honey Bees or that severe reactions to those bee stings occur. It's because they sometimes nest close to the ground, in air-bricks and door frames, that makes them such a concern to property owners and parents of young children. What Damage Do Masonry Bees Cause? Masonry bees enter our homes through air bricks, window vents, window frames, extractor vents, poor rendering and crumbling mortar between bricks and stone. You will also see them buzzing into the gaps between tiles. Masonry Bees in Window Frames Masonry Bees are Common in Wall Vents M...