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J Med Entomol ; 53(3): 699-702, 2016 05.
Article in English | MEDLINE | ID: mdl-26718717

ABSTRACT

Emerging and re-emerging vector-borne diseases such as chikungunya and dengue and associated Aedes vectors are expanding their historical ranges; thus, there is a need for the development of novel insecticides for use in vector control programs. The mosquito toxicity of a novel insecticide and repellent consisting of medium-chain carbon fatty acids (C8910) was examined. Determination of LC50 and LC90 was made against colony-reared Aedes aegypti (L.) and Aedes albopictus (Skuse) using probit analysis on mortality data generated by Centers for Disease Control and Prevention bottle bioassays. Six different concentrations of C8910 + silicone oil yielded an LC50 of 160.3 µg a.i/bottle (147.6-182.7) and LC90 of 282.8 (233.2-394.2) in Ae. aegypti; five concentrations yielded an LC50 of 125.4 (116.1-137.6) and LC90 of 192.5 (165.0-278.9) in Ae. albopictus. Further development of C8910 and similar compounds could provide vector control specialists novel insecticides for controlling insect disease vectors.


Subject(s)
Aedes/drug effects , Fatty Acids/toxicity , Insect Vectors/drug effects , Insecticides/toxicity , Silicones/toxicity , Aedes/growth & development , Animals , Insect Vectors/growth & development
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