Yellowjackets are social wasps known for their aggressive defensive behavior and painful stings. They are commonly confused with bees due to their yellow and black coloring, but yellowjackets are slimmer, faster, and far more aggressive. Unlike bees, yellowjackets can sting multiple times and are attracted to human food and sugary drinks, making them unwelcome guests at outdoor gatherings.
Yellowjacket colonies grow throughout the summer and reach their peak size in late August and September, when thousands of workers aggressively forage for food and defend the nest. This is the time of year when most stinging incidents occur.
Eastern Yellowjackets most commonly build their nests underground, often in abandoned rodent burrows, under landscape features, and in other below-grade voids. These nests are particularly dangerous because they are easy to stumble upon while mowing, gardening, or walking through the yard. Disturbing a ground nest triggers an immediate mass attack response from the colony.
German Yellowjackets frequently nest in wall voids, attics, and other enclosed spaces within structures. These nests can grow to impressive sizes and may not be discovered until workers begin emerging into living spaces through gaps in the interior walls.
A mature yellowjacket colony can contain several thousand workers, all capable of stinging multiple times. When the nest is disturbed, yellowjackets release alarm pheromones that recruit the entire colony to attack. Unlike bees, which die after stinging, yellowjackets can sting repeatedly, and their smooth stingers do not remain in the skin.
Yellowjacket stings are painful and can cause severe allergic reactions in sensitive individuals. Multiple stings from an agitated colony can be dangerous for anyone, as the cumulative venom load can cause systemic reactions even in people without known allergies.
Never attempt to eliminate a yellowjacket nest yourself, particularly underground nests that can contain thousands of individuals. Pouring liquids into a ground nest or using over-the-counter aerosols is unlikely to reach the entire colony and will result in a swarm of agitated yellowjackets.
Our technicians locate the nest entrance and apply professional-grade products that eliminate the colony completely. For ground nests, dust formulations are typically used because they adhere to the bodies of returning workers and are carried deep into the nest structure. For wall void nests, specialized application methods target the colony without creating openings that would allow workers to enter the living space.
If you have discovered a yellowjacket nest on your property, keep people and pets away from the area and contact our team for safe, professional yellowjacket removal.
Learn everything that you need to know about yellowjacket control.
