She will defend the nest aggressively. Once the drilling has been completed, she will spend her days foraging for food. You may find her working Azaleas, Bradfords, Daffodils, Pansies and any plant that will provide pollen. Carpenter bees are commonly mistaken for bumblebees. Their abdomen has no body hair.
Bumblebees have yellow and black body hair on all body parts.
Male bees will be hanging around these same plants hoping to find receptive females. The male bees are curious and will buzz around people. In fact, the male bee does not have a stinger. He has a distinctive yellow face, which may be seen while he is in flight. Female bees have no interest other than collecting food.