yellowjackets on hydrogel bait
Existing baits for yellowjackets require the user to mix insecticide with their own meat bait, such as canned chicken, which can be messy. A new study, however, finds that a hydrogel substance provides an adequate tactile resemblance to meat to effectively bait yellowjackets in the same fashion. (Image originally published in Choe et al 2018, Journal of Economic Entomology)