Development of an in vitro method for the evaluation of candidate repellents against Leptotrombidium (Acari: Trombiculidae) chiggers

被引:9
作者
Lerdthusnee, K [1 ]
Khlaimanee, N [1 ]
Monkanna, T [1 ]
Mungviriya, S [1 ]
Leepitakrat, W [1 ]
Debboun, M [1 ]
Coleman, RE [1 ]
机构
[1] USA, Med Component, Dept Entomol, Armed Forces Res Inst Med Sci, Bangkok, Thailand
关键词
Leptotrombidium; chiggers; scrub typhus; repellents; personal protection;
D O I
10.1603/0022-2585-40.1.64
中图分类号
Q96 [昆虫学];
学科分类号
摘要
We developed a rapid and economical in vitro procedure with which to evaluate the efficacy of candidate repellents against chiggers. The procedure requires only 5 min and a small number of chiggers to obtain a valid estimate of the median effective dose. We used this procedure to evaluate the repellent activity of 11 compounds against the chigger, Leptotrombidium imphalum Vercammen-Grandjean and Langston. Median effective doses were determined for 10 of the 11 compounds. DM-165-2 (N,N-diethyl-3-flurobenzamide) was the only compound that was significantly more effective than deet.
引用
收藏
页码:64 / 67
页数:4
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