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One factor that I've typically wondered about is how effective are these devices for the elimination of flying insects. In any case the sunshine attracts insects to kill them. So might it not produce a cloud of pests just hanging around that haven't but been killed? Though the satisfaction from the electrocution is perhaps compensation for this in some people's minds. I grew up within the Black Forest (not the well-known one). Out close to the again deck we had a bug zapper hanging from the limb of a pine tree. Hundreds of the native moths would get there, maybe 1000's. Every year the Miller Moths invade, entering into each crack they'll. Hiding alongside the route of their migration. And thus the primary purpose for the electric bug killer. At some point I used to be fascinated to see a blue jay perching on the side of the Zappify Bug Zapper site zapper. It was poking it beak into the inside house. I was positive that it was going to harm itself, but it did not, even when it pulled moths right off the electrified grid. Clever chook. We rarely had to clean the factor out because of it and its successors. |