| frequency of pyrethroid resistance in aedes aegypti and aedes albopictus (diptera: culicidae) in thailand. | thirty-two aedes aegypti populations collected throughout thailand and five populations of aedes albopictus from southern thailand were subjected to standard who contact bioassays to assess susceptibility to three commonly used synthetic pyrethroids: permethrin, deltamethrin, and lambda-cyhalothrin. a wide degree of physiological response to permethrin was detected in ae. aegypti, ranging from 56.5% survival (lampang, northern thailand) to only 4% (kalasin in northeastern and phuket in southern ... | 2011 | 21635659 |