Pest Emergency Guides

Found a Wasp Nest Near Your House? Don't Do This

Nearly every serious wasp sting incident we hear about follows one of three actions: spraying from a ladder, knocking the nest down, or sealing the entrance.

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Here is why each one backfires, and the safer sequence to follow.

Checklist

Work through this

  1. 1Don't spray from a ladderWasps defend the nest immediately, and the danger is the fall, not the stings.
  2. 2Don't knock it downA disturbed colony stays defensive for hours and often rebuilds nearby.
  3. 3Don't seal the entranceWasps sealed inside a wall void frequently chew through drywall into the interior of the building.
  4. 4Watch the flight line from a distanceNote the exact entry point — it is often several feet from where the nest appears to be.
  5. 5Keep people and pets clearStop mowing and trimming nearby; vibration is a common sting trigger.
  6. 6Get it treated at the entranceTreatment at the access point lets returning foragers carry it inside, which collapses the colony.

FAQ

Related questions

Can I wait for winter?

If the nest is far from walkways, that is reasonable. Near a door, deck or play area it means months of sting risk.

How can I tell a hornet nest from a wasp nest?

Bald-faced hornet nests are large enclosed grey paper structures. Paper wasp nests are small open combs under eaves.

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