An entomologist in Alabama warns that this summer could bring an outbreak of perennial yellow jacket nests, which can contain up to 15,000 insects.
He explained that the large nests, called perennial nests, happen when mild winters don’t kill the bugs off, or ruin their food supply. So instead of the queens finding new spots for a yearly nest, they simply expand their current nest, sometimes with multiple queens ruling the roost.
“These perennial nests may be several feet wide and have many thousands of workers, far more than an average nest,” Ray said. “We have found them attached to home exteriors and other places you might not expect to find yellow jackets.”How big can these nests get? You kind of don’t want to know.
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