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Yellow Jackets are often mistaken for honey bees because they look so similar, however honey bees are actually larger and have hair on the abdomen.
Eradication:
Warnings
Water Trap:
Put something for the yellow jackets like to eat over water. They will dip down to get a drink of try to fly away and get caught in the water. Some say just water will work.
Yellowjackets | Department of Entomology
Hanging nest:
Nest Cross Section
Nest Cross Section
The nests contain multiple, horizontal tiers of combs within. Larvae hang within the combs.
Treatment: Only treat at night when it is dark. Yellow Jackets do not see well, and chances of being stung are greatly reduced. Also at night the whole colony will be present in the nest making the treatment more effective. Treat the nest with pyrethrum aerosols such as Stryker 54 Contact Aerosol, PT 565 or CV-80D. Pyrethrum forms a gas which will fill the cavity, killing the yellow jackets on contact. Wait until the aerosol is dry, and then dust in the opening with insecticide dusts such as Tempo Dust . The dust will prevent future hatch outs. Dust the nest, entrance and surrounding areas. Check the nest the following day, to see if the yellow jackets are dead which can be verified by lack of activity. Repeat, if necessary.
How To Get Rid of Yellow Jackets | Step by Step Guide 1) Using a red or amber colored light to illuminate the nest at night (a regular flashlight will attract the guard wasps), apply D-Force HPX aerosol aerosol or Delta Dust directly into the nest using the plastic injector tip. Poking the injector or duster tip through the back of the nest is often safer than using the front entrance used by the yellow jackets.