presence of insensitive acetylcholinesterase in wild populations of culex pipiens quinquefasciatus from benin. | resistance to organophosphates and carbamates was investigated in three samples of culex pipiens quinquefasciatus say, from cotonou and parakou in the republic of benin. each population of larvae was selected with propoxur to eliminate susceptible individuals and more easily analyse resistant mosquitoes if the resistance allele is present in the field sample. the mass-selection showed that there are resistant mosquitoes in natural populations of c. p. quinquefasciatus in benin and that nowadays ... | 2008 | 18616921 |