<prompt> Under Insecticide Treated Bed N ets Program me, insecticide used isDeltamethrinMalathionLindoneFenitrothion  <response>: Inseccide Treated Bed Nets ITBN Programme esp. deltamethrin has resulted in significant decline in malaria incidence and API Average decline in anopheline mosquito density - 68 Average decline in cuicine mosquito density - 50Chemicals used in ITBN Programme : Synthec pyretheroids Deltamethrin : 2.5 in dosage of 25 mgm2 Cyfluthrin: 5 in dosage of 50 mgm2 Other inseccides used : Permethrin, Lambdacyhalothrin, Etofenprox, CypermethrinEffecveness of pyrethroids: For 6-12 months Retreatment every 6 monthsLong-lasng inseccidal mosquito nets LLINs :Also use pyrethroid inseccides, and a chemical binder that allows the nets to be washed 20 mes, allowing use for 3 years. 