Today I completed your one time pest service for Yellowjackets. A liquid residual treatment was applied around the entrance of Yellowjacket nest in rear between siding and gutter. Please stay away from treated area today for Yellowjackets will be agitated.if Yellowjackets are found on interior turn up your AC to slow them down and disable them. Please allow up to 7-10 days to see a decrease in activity. And contact our office if you have any concerns or questions. Thank you for using Green Pest Solutions and have a great day.