Wasps · San Diego County

Signs of wasps in San Diego County

Wasp activity is usually easy to spot once a colony gets established, since foragers fly regular paths back to the nest. Watching where wasps come and go points straight to the nest location.

How to tell if you have wasps

  • Wasps flying a repeated pathMultiple wasps entering and exiting the same gap in siding or eaves points to a nest just behind that spot.
  • A visible paper comb under an eaveOpen, gray papery combs hanging from roof lines or patio covers are active or recently active paper wasp nests.
  • Ground holes with trafficA small hole in the lawn or a garden bed with wasps flying in and out signals an underground yellow jacket nest.
  • Faint buzzing inside a wall or atticA steady low buzz coming from a wall cavity often means a nest has been built inside the void.
  • Increased wasp activity near trash or foodYellow jackets showing up in bigger numbers around outdoor eating areas late in summer signals a mature, nearby colony.

What to do next

Check eaves, sheds, and fence posts each spring before nests grow large, and keep outdoor trash cans tightly sealed through summer and fall.

Ready to act? How to get rid of wasps.

Common questions

How much does wasp nest removal cost in San Diego County?

A standard wasp or bee nest removal runs $149 to $249 depending on nest size, location, and how accessible it is.

Is it safe to spray a wasp nest myself in San Diego?

Only for small, exposed paper wasp nests sprayed at night from a safe distance; ground nests, wall-void nests, and anything larger than a fist should go to a pro.

Why do I see more wasps in San Diego County in late summer?

Wasp colonies peak in population from August through September as the nest reaches its largest size before the season winds down.

Serving San Diego County

Spotting signs of wasps?

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