In Puna....

[Punaperson]

There is no need to kill the bees. Carpenter bees look for dry wood. Spraying plain water, or a bit of baking soda diluted in the water, will make them leave and go hunt for another home. I've used this methods for decades. They are pollinators for lilikoi among many other plants. With all the hive die-offs occurring, killing bees on purpose is a shame.