Yellowjacket Control in Kansas City

Colonies grow all summer and peak in late August and September, when they switch to sugary foods and get defensive. A nest mowed over or bumped in September can send out hundreds of workers.

We treat through the existing entrance so the colony dies in place, whether it is a ground burrow or a wall void. For wall nests we advise sealing only after activity stops — sealing too early is how yellowjackets chew their way into the living room.

Mark the hole and keep people and pets away. Don't plug, flood or spray a ground nest yourself. Keep trash cans lidded and clean up food and drinks outdoors in late summer.