50 tubes. These open end tubes are made of kraft paper. Dimentions are 6 inches (15 cm) x 5/16 inch (6.5mm) inside diameter with a 30 thousands wall, so they are nice and sturdy. We find that 6 inch tubes are the best depth for mason bees. Each female is a laying queen and will deposit between...
Three filled tubes plus 15 empty tubes for an instant colony come spring. Solitary native bees act on their own as there is no hive and each female is her own queen and worker so she must provide the nesting site and food for her young. This is why mason bees are superior pollinators. Their dark...
