Once-lethal insecticides now require concerningly high concentrations to effectively kill mosquitoes. Some mosquitoes are already immune to all classes of insecticides used to control malaria.
Articles on pyrethroid
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Australian mosquitoes, unlike their Asian and American counterparts, can still be controlled by insecticides like pyrethroids. What lessons are there for managing pesticide resistance in insects?
An association isn’t the same as causation – and as far as associations go, the one in this study was pretty weak.

