Good afternoon. Today I completed your one time bee service. I applied a non-repellent liquid residual treatment directly to the hole in the brick, where the yellow jackets are nothing. This liquid solution is a slow acting no repellent, which will prevent them from pushing into the house. If you have any questions or concerns, please contact the office. Please allow 7 to 10 days for the full effect of this treatment. Thank you for choosing Greenpest Solutions.