Treating yellowjackets, paper wasps, hornets


April 11, 2023

Dr. Brittany Campbell, BCE

Dr. Brittany Campbell, BCE

When we talk about stinging insects in pest control, we are usually referring to insects in the order Hymenoptera, specifically, bees and wasps. Depending on where you operate in the United States, you may deal with another stinging Hymenoptera — fire ants — but they aren’t always lumped into the category of “stinging insects.”

While bumble bees and honeybees can frighten people and pose a threat to those who are allergic, they are relatively harmless when not disturbed and don’t always require removal or treatment. Alternatively, social wasps like yellowjackets, paper wasps and hornets can be much more aggressive, hostile when defending their colonies, and should be removed or treated when on or near structures.

Aerosols can be an excellent option for direct contact of aerial nests, such as when they are attached to eaves or overhangs. Many aerosol products designed specifically for wasp management will reach distances several feet from the applicator, allowing a safer distance of 15 to 20 feet from the nest during treatment. Additionally, dust products are useful for treating yellowjacket nests and in voids where activity or colonies are found. Also, take care to protect yourself during treatment, donning a veil and protective clothing when needed and standing to the side of a nest — not underneath — during treatment.


About the Author

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Dr. Brittany Campbell, BCE, is a technical service manager at Control Solutions Inc.

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