Hello, today I serviced your home for yellow jackets. I found the hole they are getting into the wall through and double checked that the potential breach was covered properly. I then applied a liquid treatment to the hole from the exterior. I also found several European hornets nests by the front porch. As you requested I did not treat or remove them. Please allow 7-10 days for the treatment to take effect. If activity is still found after that time please call for an appointment. Have a great day and thank you for choosing Green Pest Solutions.