Quoted: None of the wasps sting, or otherwise pester humans, but they feed on emerald ash borer larva and eggs, says Ken Raffa, a professor of entomology with the University of Wisconsin-Madison.
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Quoted: None of the wasps sting, or otherwise pester humans, but they feed on emerald ash borer larva and eggs, says Ken Raffa, a professor of entomology with the University of Wisconsin-Madison.