Ground Nest of Yellowjackets: Urgent Treatment for Allergy Safety

Sudden 4–5 inch hole in lawn with active bees entering/exiting. Discovered while mowing (vibration triggers swarming). Wife has severe bee/wasp allergy.

Identification: Yellowjacket Ground Nest

Social wasps (Vespula spp.), not bees. Nests start spring, grow through fall (thousands by late summer). One/two entrances. Highly sensitive to vibration.

Immediate Treatment (Nest Still Small)

1. Timing: After sundown
2. Product: "Wasp & hornet" aerosol (plant-oil based preferred)
3. Method: Spray 1/2 can into entrance, cover hole with rock
4. Safety: Plan escape route; wear protective clothing

Detailed Guide

Wasp nest control instructions

Do not mow near nest until eliminated.