Paper Wasps in Arizona: Identification, Nests & Removal
Mar–Oct
Season
Peak: Apr–May
Multiple
Sting
Per wasp
20–75
Nest Size
Workers at peak
Paper wasps are one of the most common stinging insects in Arizona, building open-comb nests under eaves, in attics, and around patios. Learn how to identify Arizona paper wasp species, locate nests before they grow, and safely remove them — plus when to call a professional.
Arizona is home to several paper wasp species, with the Polistes exclamans (guinea paper wasp) and Polistes apachus (Apache paper wasp) being the most frequently encountered by homeowners. These slender, orange-and-brown wasps are easily distinguished from yellow jackets by their long dangling legs in flight and their open, umbrella-shaped nests made from chewed wood fiber. Unlike yellow jackets, paper wasps are not aggressive unless their nest is threatened — but a single wasp can sting multiple times, and nests near entryways or play areas pose a real risk, especially for anyone with venom allergies. In Arizona, paper wasp season runs from March through October, with peak nest-building activity in April and May when overwintering queens emerge and begin founding new colonies.
Common Nest Locations in Arizona Homes
Paper wasp nests start small — a queen builds the first few cells alone in early spring. By midsummer, a mature nest can contain 20 to 75 workers and hundreds of cells. The most common nest locations in Arizona homes include under roof eaves and overhangs, inside garage door tracks and frames, behind shutters and in window frames, inside outdoor light fixtures, under patio furniture and umbrellas, and in attic vents and wall cavities. The nests are never reused — queens overwinter in protected crevices and build fresh nests each spring. However, the same favorable locations attract new queens year after year, so removing a nest does not prevent future nesting without also treating the site.
Safe Removal: DIY vs. Professional
DIY — When It Works
- Small, accessible nest (under 20 cells)
- Nest is away from entryways
- Treat at night when wasps are inactive
- Use wasp freeze spray — not a fogger
- Wear long sleeves, gloves, eye protection
Call a Professional
- Nest inside wall void or attic
- Nest near entryway or play area
- Large colony (50+ workers)
- Anyone in household has venom allergy
- Multiple nests on property
For nests in low-traffic areas away from entryways, paper wasps provide genuine ecological value — they prey on caterpillars, flies, and other insects that damage gardens. Many homeowners choose to leave small, out-of-the-way nests alone. For nests near doors, windows, play areas, or anywhere people regularly pass, removal is the right call. The safest DIY approach is to treat at night when wasps are inactive and temperatures are cooler — use a wasp freeze spray directed at the nest opening, wait 24 hours, then knock the nest down and bag it. Always wear long sleeves, gloves, and eye protection. For nests inside wall voids, attics, or in hard-to-reach locations, professional treatment is strongly recommended.
Paper Wasp Nest Near Your Home?
We safely remove wasp nests throughout Maricopa, Pinal County, and the greater Phoenix metro area.
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Pest Control Bros serves all of Pinal County & the East Valley
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