Paper Wasps
Polistes spp.
Paper wasps are slender, brownish insects with yellow or red markings measuring 5/8 to 3/4 inch long. They have noticeably long legs that dangle during flight. These social insects build distinctive umbrella-shaped paper nests with exposed cells, typically hanging from eaves, branches, or other protected overhangs. Unlike honeybees, wasps can sting multiple times.
Habitat & Behavior
Paper wasps build their open-comb nests in protected areas under eaves, porch ceilings, deck railings, tree branches, and in attics or wall voids. Queens overwinter in protected locations and emerge in spring to establish new colonies. Nests start small in spring and grow throughout summer, housing 15-200 wasps. They're most defensive when protecting their nest.
Signs of Infestation
- Umbrella-shaped paper nests hanging from structures or branches
- Wasps flying in and out of a specific area repeatedly
- Increased wasp activity around eaves, decks, or outbuildings
- Wasps buzzing angrily when you approach certain areas
- Scraping sounds in walls where wasps are building nests inside voids
Health & Property Risks
Paper wasp stings are painful and can cause severe allergic reactions ranging from localized swelling to life-threatening anaphylaxis in sensitive individuals. Unlike bees, wasps can sting multiple times and become aggressive when defending their nest. Their proximity to human activity near doorways, windows, and outdoor living spaces creates danger, especially for children and pets. Even after the first frost kills the colony, abandoned nests can attract other pests.
Prevention Tips
- Inspect your property in early spring and remove small starter nests
- Seal gaps and cracks in eaves, soffits, and around vents
- Keep outdoor trash cans clean and tightly covered
- Remove or cover outdoor food and drinks, especially during cookouts
- Paint or seal exposed wood surfaces that attract nest-building wasps
- Consider professional inspections in early spring before colonies establish
Professional Treatment Approach
Greenix's wasp control includes safe nest removal and treatment using professional equipment and protective gear. We apply fast-acting insecticides directly to nests during evening hours when wasps are less active. After treatment, we remove nests and apply residual products to prevent re-nesting. Our technicians identify and treat potential nesting sites around your property and provide recommendations for exclusion. For ground-nesting species, we use specialized dust applications.
Related Pests
Other common stinging pests you might encounter
Yellow Jackets
Yellow jackets are robust, aggressive wasps measuring 3/8 to 5/8 inch long with distinctive black and yellow striped patterns. Unlike paper wasps, they have a thick, compact body and short legs. These highly social insects live in large colonies of 1,000-5,000 workers and are particularly aggressive in late summer when protecting their mature nests.
Carpenter Bees
Carpenter bees are large, robust bees measuring 1/2 to 1 inch long that closely resemble bumble bees. The key difference is their shiny, hairless black abdomen, while bumble bees have fuzzy, yellow-banded abdomens. Males have yellow faces and are territorial but cannot sting. Females have black faces, can sting, but are rarely aggressive unless directly threatened. These solitary bees are named for their wood-boring nesting behavior.
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