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Yellow Jacket Control

Yellow Jackets

All wasps and hornets are aggressive and will defend their nests but the Yellow Jacket wasp will defend their nests very aggressively. Yellow Jackets look different than bees because of their thin waists, bees have thick waists. Yellow jackets prey on other insects and they also forage on foods that people eat, especially sweets and meats as well as pet food.

Yellow Jackets are considered beneficial insects because they eat other insects. A yellow jacket colony only lives for one summer, they will all die at the end of the summer, and their nest is not reused.

Yellow Jackets are 5/8” to 1”, and are black and yellow or black and white. They have a thin waist, unlike bees that have a thick waist.

Yellow Jackets usually nest in the ground but will also nest above ground or in wall voids.

Yellow Jackets are more likely to be noticed late in Summer or Fall because their colony will have become large by then. Foraging workers are a nuisance, even a danger, as they search for food people eat or discarded food.

Yellow Jackets can be dangerous and aggressive if a colony is disturbed. For most a sting is painful but temporary, but for allergic individuals a single sting may result in a serious reaction, requiring medical treatment.

HOW TO CONTROL: Eliminate possible food sources such as pet food. Garbage and trash containers should be kept closed and open containers should be emptied regularly.

Locate nests during the day, so the workers can be observed entering and exiting their nest. It’s best to treat their nests at night or early in the morning, preferably when it is dark. It’s at this time they are all in the nest. Yellow Jackets don't see well at night and you are less likely to be stung

Dust the nest with an insecticide such as Tempo Dust or Delta Dust. Tempo Dust is known as the preferred insecticide for wasps, bees and hornets and acts very quickly. Delta Dust is slower acting. Both can be used indoors and outdoors and have a long residual.

Use a bellows duster such as the Eaton Handheld duster to administer the insecticide dusts. You will have much better control, and there will be less waste of the product. The insecticide will be more effective using the Eaton Duster because it can be applied more sparingly, which is important because too much dust will actually repel insects instead of eliminating them.

The day following treatment, check the nest to see if the yellow jackets are dead or are no longer active. It may be necessary to repeat treatment.

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