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I wonder why they didn't use an insecticide on the nest. The exterminator I hired used a powder on the entry to our attic and the Yellowjackets carried it into
by hcurtiss 6y ago
I wonder why they didn't use an insecticide on the nest. The exterminator I hired used a powder on the entry to our attic and the Yellowjackets carried it into the nest and it wiped out the whole thing brilliantly (and we sealed the hole). A targeted application would require very little product. With a powder, it would also kill any insects that got away, and it could trace/damage other nests if the hornet moved to another colony. It seems to me a vacuum would be less thorough, and I would think they'd want to be very thorough in this instance, maybe even to the point of doing both.
- datameta 6y agoIt seems most likely that they wanted to avoid killing the hornets. Perhaps to study them and find out which native Japanese population of hornets they came from in order to stem the flow of this invasive species. Could even be simply to preserve life.
- MauranKilom 6y agoThe hornets in that tube look very dead to me.
- datameta 6y agoThe hornets had been put on ice which lowers their metabolism to a state of stupor but they recover from this as soon as their temperature goes back up. Another common technique for making stinging insects docile during handling is using smoke to calm a beehive's alertness response through inhibiting their ability to detect pheromones that signal danger.