Types of Wasp Nests and How to Identify Them

Four wasp nest shapes show up around most homes across our North Carolina service area, from Greenville to Wilson: an open, umbrella-shaped comb under an eave, a gray papery ball in a wall void or tree, a large enclosed nest hanging from a branch, and small mud tubes stuck to brick or siding. Each shape belongs to a different type of wasp with a different temperament, and knowing which one you're looking at determines whether it's safe to leave alone, watch, or call a professional right away.

Paper wasp nests are the open, umbrella-shaped combs you see under eaves

Paper wasp nests look like an upside-down umbrella or honeycomb with no outer covering, so the individual hexagonal cells are visible from below. They're usually gray or tan, roughly the size of a fist to a dinner plate, and attach to a single point on a porch ceiling, eave, deck rail, or window frame. Paper wasps are only moderately defensive and mainly sting if the nest itself is touched or bumped, which makes them the lowest-risk of the four types as long as the nest stays undisturbed.

Yellow jacket nests are enclosed and often hidden underground or inside walls

Yellow jacket nests are fully enclosed in a gray papery envelope, and most of the ones that cause problems around a house are hidden rather than out in the open. Common spots include underground burrows (often an old rodent hole), wall voids, attic spaces, and the gap behind siding, so the only visible clue is often a steady stream of wasps flying in and out of a small gap or hole. Yellow jackets are the most aggressive of the common wasp types and will defend the nest in numbers if it's disturbed, which is why a suspected yellow jacket nest near a walkway, patio, or door is worth treating as a priority rather than something to watch.

Bald-faced hornet nests are large, enclosed, and shaped like a teardrop or football

Bald-faced hornet nests are fully covered in gray paper, shaped like a large teardrop or football, and typically hang from a tree branch, shrub, or the corner of a building. They start out small in spring but can grow to the size of a basketball or larger by late summer, holding several hundred workers by the time they're fully developed. Bald-faced hornets defend the nest aggressively and will pursue a threat several feet from the nest itself, so any nest at head height or near a walkway should be treated as a removal job rather than a DIY project.

Mud dauber nests are the small mud tubes stuck to brick, siding, or eaves

Mud dauber nests are hard, cylindrical mud tubes, usually one to a few inches long, built individually or in small clusters against brick, siding, soffits, or protected outdoor surfaces. Unlike the other three types, mud daubers are solitary wasps rather than colony builders, so there's no large group defending the structure and stings are rare even when the nest is nearby. These nests are mostly a cosmetic issue and can typically be knocked down and cleaned off without professional treatment, though an old, abandoned mud dauber tube is sometimes reused by a different wasp species, so it's worth a quick look before assuming it's empty.

DIY night-spraying isn't the safe shortcut it's made out to be

A common piece of advice is that wasps are docile at night, so spraying a nest after dark is safe to do yourself. Wasps are calmer at night because they don't fly in the dark, but they're still fully capable of stinging anyone standing close enough to disturb the nest, and a headlamp or flashlight is often enough light to trigger a defensive response from yellow jackets or bald-faced hornets. Underground and wall-void nests make this riskier still, since the entrance and the true size of the colony are often impossible to judge from outside, which is how a homeowner attempting a "quick" spray ends up dealing with a much larger, angrier nest than they expected.

Nest size and location tell you how urgent the problem is

A small paper wasp nest tucked under a porch eave, away from regular foot traffic, is reasonable to monitor and address on a normal schedule. A nest near a doorway, walkway, mailbox, or play area calls for faster action regardless of type, since regular human traffic close to the nest increases the odds of an accidental disturbance. Catching a nest while it's still small, particularly a yellow jacket or bald-faced hornet nest early in the season, is far easier and safer to remove than waiting until late summer when the colony has had months to grow.

What to do once you've spotted a nest

Keep your distance and skip vibration near the nest area, including pressure washing, string trimming, or leaf blowing close by, since vibration alone can trigger a defensive swarm from yellow jackets and hornets. Watch the entry point from a safe distance if you want to confirm activity level, rather than approaching for a closer look. If the nest is enclosed, underground, in a wall void, or anywhere near a doorway or high-traffic area, treat it as a job for professional stinging insect control rather than a weekend project.

If rodents are also turning up around the same part of the house, our rodent nest identification guide covers the signs that tend to get confused with each other.

Found a nest you're not sure about, or want it gone before it grows? Call Rid-A-Pest Inc. at 252-291-5565, and we'll help you identify it and handle it safely.

Information current as of 2026.