These bees are eusocial and have an annual nest. In spring, a queen emerges from hibernation in search of a new nest. Worker bees then develop, followed by drones and new queens towards the end of summer. Drones tend to wait around the entrance to hives for the queens to emerge, competing with each other for access. Mated queens hibernate over winter, while workers, drones, and old queens die towards the end of the summer after living about 14 to 25 weeks.
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