What is an appropriate treatment for carpenter bees ? Is the treatment available for residential use or is a professional application required l The bees are damaging wooden fencing and decking?
New Castle County Delaware carpenter bees
If the nests (holes) are easily within your reach you can treat the areas yourself. If not, hire a pest control service. Here is a website that explains carpenter bees and their management. The are difficult to eradicate, but can be controlled. http://ento.psu.edu/extension/factsheets/carpenter-bees