Characterization of pyrethroid resistance and susceptibility to coumaphos in Mexican Boophilus microplus (Acari: Ixodidae)

被引：122

作者：

Miller, RJ ^{[1
]}

Davey, RB ^{[1
]}

George, JE ^{[1
]}

机构：

[1] USDA ARS, Knipling Bushland US Livestock Insects Lab, So Plains Area, Kerrville, TX 78028 USA

来源：

JOURNAL OF MEDICAL ENTOMOLOGY | 1999年 / 36卷 / 05期

关键词：

Boophilus spp; permethrin; cypermethrin; flumethrin; coumaphos; kdr-like mutation;

D O I：

10.1093/jmedent/36.5.533

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Two patterns of pyrethroid resistance were characterized from Boophilus microplus (Canestrini) collected in Mexico. One was characteristic of a kdr mutation and the other involved esterase and cytochrome P450 enzyme systems. Very high resistance to permethrin, cypermethrin, and flumethrin, not synergized by TPP and PBO and high resistance to DDT, characterized the kdr-like pattern found in the Corrales and San Felipe strains. Esterase and cytochrome P450-dependent resistance was found in the Coatzacoalcos strain. It was characterized by resistance to permethrin, cypermethrin, and flumethrin, synergized by TPP and PBO, but no resistance to DDT. The Coatzacoalcos strain also showed 3.6-fold resistance to the organophosphate coumaphos. This factor appeared to be independent of pyrethroid resistance. Pyrethroid resistance patterns found in Mexico were similar to those found earlier in Australia. The significance of pyrethroid and coumaphos resistance to the U.S. cattle fever tick quarantine is discussed.

引用

页码：533 / 538

页数：6

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