<prompt> Under Insecticide Treated Bed N ets Program me, insecticide used is -DeltamethrinMalathionLindoneFenitrothion  <response>: Ans. is a i.e., Deltamethrin o Insecticide Treated Bed Nets ITBN Programme esp. deltamethrin has resulted in significant decline in malaria incidence and APIAverage decline in anopheline mosquito density - 68Average decline in cuicine mosquito density - 50o Chemicals used in ITBN Programme : Synthetic pyretheroidsDeltamethrin : 2.5 in dosage of 25 mgm2Cyfluthrin: 5 in dosage of 50 mgm2Other insecticides used : Permethrin, Lambdacyhalothrin, Etofenprox, Cypermethrino Effectiveness of pyrethroids: For 6-12 months Retreatment every 6 monthso Long-lasting insecticidal mosquito nets LLINs : Also use pyrethroid insecticides, and a chemical binder that allows the nets to be washed 20 times, allowing use for 3 years. 