With each spring, we see the Cardinals, Robins, Jays, and Orioles returning to nest. But many of us also see big yellow bees with a black abdomens flying around our aging wooden decks, fences, and structures. These are carpenter bees and if allowed to nest in your wooden structures, can cause considerable damage.
The below links may help you combat these industrious insects. While they do help to pollinate our flowers, trees, and shrubs, they can destroy your aging wooden structures:
https://en.wikipedia.org/wiki/Carpenter_bee
https://www.gopests.com/what-keeps-carpenter-bees-away/
https://www.gopests.com/killing-carpenter-bees-with-wd-40/
https://www.rapidhomeremedies.com/get-rid-of-carpenter-bees.html