They Hibernate in Cocoons: Like butterflies, mason bees spin cocoons in summer and sleep through winter, emerging in early spring. Watch how they emerge BEE AMAZED! Watch & Learn: See the full ...

the average lifecycle of a mason bee. Each one contains 12 nesting tubes and 15 dormant cocoons (essentially baby bees) from among the 3,000 produced annually at the library. Before taking them home, ...