Paper wasp bites in Washington
Washington has 2,216 verified paper wasp records in the GBIF biodiversity database — one of the highest counts in the country. Sightings concentrate in May to August. The bite itself appears immediate sharp pain and lasts a few days for swelling.
| Verified records | 2,216 |
|---|---|
| Peak sightings | May to August |
| State bite season | April to October |
| Active | daytime |
| Habitat | open honeycomb nests under eaves, in shutters, on garden furniture and playground equipment |
| Bite appears | immediate sharp pain |
Identifying it in Washington
Paper wasps are slimmer and longer-legged than yellowjackets and far less aggressive away from the nest — most stings happen when someone opens a shutter or reaches under an eave. The nest is an open, downward-facing honeycomb on a single stalk, unlike the enclosed grey ball of a hornet.
Locally, the species most often confused with it are honey bee sting, bald-faced hornet sting, yellow sac spider bite — all of which are also recorded in Washington.
Seek medical care if
Call emergency services now for difficulty breathing, swelling of the lips, tongue or throat, dizziness or fainting, or hives spreading away from the bite.
- breathing difficulty, throat tightness or faintness
- stings to the mouth or eye
- symptoms away from the sting site
What else it could be in Washington
These are recorded in Washington too and are the ones most often confused with it here. The differences below are the ones that actually separate them.
| Paper wasp sting | Bald-faced hornet sting | Yellowjacket sting | |
|---|---|---|---|
| Pattern | usually single | often several — the colony defends aggressively | single or several — this wasp can sting repeatedly |
| Where on body | hands, head, arms — often while gardening or opening a shutter | head, neck, arms | hands, face, neck |
| Appears | immediate sharp pain | immediate severe pain | immediate sharp pain |
| Records here | 2,216 | 1,243 | 44 |
Season in Washington specifically
Records in Washington concentrate in May to August, which is what local sighting data shows rather than a national average — seasonality shifts substantially with latitude. The general bite season in Washington runs April to October.
Because open honeycomb nests under eaves, in shutters, on garden furniture and playground equipment, exposure in Washington tends to be concentrated in specific places rather than spread evenly — which is why a bite history ("where were you in the 24 hours before?") narrows the answer faster than the appearance of the mark.
Care
- cold pack, antihistamine, pain relief
- adrenaline auto-injector if previously prescribed
- keep the limb elevated to limit swelling
Avoiding them in Washington
- check under eaves and inside shutters before working there
- remove small nests early in the season, professionally if large
Questions
When are paper wasps active in Washington?
Washington records peak in May to August. The general bite season in Washington runs April to October.
Are they common in Washington?
Washington accounts for 2,216 verified records in GBIF, ranking it 3rd among states for this species. Records reflect reporting effort as well as abundance.
What does the bite look like?
a red welt with a bright centre and firm swelling, red. Usually single.
Get a photo assessment in the app
Everything above is free to read. The app adds what a page cannot: point your camera at the bite and get an assessment of the most likely cause, a severity read, and a day-by-day care plan — including the specific signs that mean you should be seen.
iPhone and iPad. Free to download.