Orcon MASON BEES (6 Cocoons per Tube) - Case of 10Case of 10 Note: Available December through March WHAT ARE MASON BEES? Mason Bees are found naturally all over North America. There are 402 species that live in the United States. We tend not to notice them because they are dark blue in color and look like large flies. Mason bees are different than honey bees and bumble bees because they do not have a queen, do not make hives, and do not make honey. Because they do not have these things to protect,