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yellowjacket with hydrogel

yellowjacket with hydrogel

A western yellowjacket (Vespula pensylvanica) handles a piece of hydrogel bait that it carried away from a bait station in an experiment conducted by researchers at the University of California, Riverside. Their findings show that a hydrogel substance could provide an effective substitute for meat in insecticidal baits for yellowjackets. (Image originally published in Choe et al 2018, Journal of Economic Entomology)

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