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Status and preliminary mechanism of resistance to insecticides in a field strain of housefly (Musca domestica, L) Rev. Bras. entomol.
Li,Qingfeng; Huang,Jianbo; Yuan,Jianzhong.
ABSTRACT Resistance profiles of houseflies (Gol-RR) collected from a field in Golmud city, Qinghai province, China, were determined for seven insecticides using topical bioassays. Resistance ratios of >1219.51, 153.17, >35.43, 6.12, 3.24, 1.73, and 0.86-fold were obtained for propoxur, cypermethrin, imidacloprid, indoxacarb, chlorpyrifos, fipronil, and chlorfenapyr, respectively, relative to a laboratory susceptible strain (SS). Synergism experiments showed that piperonyl butoxide (PBO), triphenylphosphate (TPP), and diethyl maleate (DEM) increased propoxur toxicity by >105.71, >7.88, and >5.15-fold in the Gol-RR strain, compared with 5.25, 2.00, and 1.39-fold in the SS strain, indicating the involvement of P450 monooxygenases, esterases,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acetylcholinesterase activity; Insecticide resistance; Musca domestica; Resistance mechanism; Synergism.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000400311
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