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Age-related changes in resistance to DDT in some species of mosquitoes

, : Age-related changes in resistance to DDT in some species of mosquitoes. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 1): 30-31

Age-related resistance to DDT was studied in laboratory-bred Anopheles atroparvus, A. sacharovi, Aedes aegypti and Culex pipiens form molestus. In all 4 species, resistance decreased with age. Anopheles atroparvus was resistant only when newly emerged (on the day after flight), and by day 5 exhibited no resistance. A significant drop in resistance (45% mortality) occurred in 14-day-old individuals of A. sacharovi.

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