Paper Wasp

📐 FIELD GUIDE ILLUSTRATION

Original illustration by PestControlBasics.com. Use anatomical labels above to confirm your identification.

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PestControlBasics Editorial Team

Reviewed by Derek Giordano · Updated 2026

🔍 Identification

Adults: 15-25mm; slender; narrow waist; long dangling legs in flight (distinctive); brown, yellow, or reddish depending on species. Nest: open paper comb with hexagonal cells; umbrella or fan-shaped; attached by a single stalk to eaves, window frames, or vegetation; no outer covering (unlike yellow jacket). Small colony: 20-75 adults at peak.

🧬 Biology & Behavior

Paper wasps hunt caterpillars, flies, and various insects to feed chewed protein to their larvae. A paper wasp nest near the garden genuinely reduces caterpillar pressure. They're much less aggressive than yellow jackets — they defend only when the nest is directly disturbed. Nests are annual — abandoned by late fall when the colony dies. Nests built in low-traffic locations away from human activity should generally be tolerated.

⚠️ Damage & Health Risk

Defensive stings when nest is threatened; sting allergy risk for sensitized individuals; nest placement in high-traffic areas creates ongoing conflict.

🔧 DIY Treatment

Treat ONLY when nests are in conflict locations: doorframes, children's play areas, high-traffic eaves. Leave nests in low-traffic locations (back of garage, garden shed eaves, tree branches away from paths). Wasp freeze spray at night kills small accessible nests quickly.

👷 When to Call a Pro

Rarely warranted for small nests in non-conflict locations.

❓ FAQ

When should I leave a paper wasp nest alone?

If the nest is attached to an out-of-the-way location (back eave of a garden shed, tree branch away from foot traffic, high eave rarely accessed), the best management is to leave it alone. Paper wasps hunt caterpillars and other garden pests throughout the season and the nest will be abandoned by October at no cost.

How aggressive are paper wasps compared to yellow jackets?

Paper wasps are significantly less aggressive than yellow jackets. Paper wasps typically require direct disturbance of the nest to sting. Yellow jackets defend a much larger radius and attack readily when disturbed at any distance. If wasps are stinging without obvious provocation, they're almost certainly yellow jackets, not paper wasps.

🐝 Paper Wasp — Management Guide