Altered behavioral responses of Sindbis virus-infected Aedes aegypti (Diptera: Culicidae) to DEET and non-DEET based insect repellents

Document Type

Article

Publication Date

6-1-2012

Abstract

Changes in the time to first bite (TFB) and the bloodfeeding behavior of adult female . Aedes aegypti (L.) mosquitoes following dissemination of Sindbis virus (SINV) were observed after exposure to repellents with the active ingredients (AI) DEET, picaridin, 2-undecanone (2-U), and oil of lemon eucalyptus. Dissemination of SINV significantly decreased (. P<. 0.0001) the TFB of DEET (15%) and picaridin (15%) by 46% and 37%, respectively. Significant (. P<. 0.0001) changes in activation, probing, and engorgement times were observed in SINV infected mosquitoes after exposure to the four repellents compared to uninfected mosquitoes. Taken together, a decrease in TFB and time to complete the four bloodfeeding stages will lessen the prey-status, and enhance both the chances of mosquito survival and arbovirus transmission. © 2012 .

Publication Title

Acta Tropica

Volume

122

Issue

3

First Page

284

Last Page

290

Digital Object Identifier (DOI)

10.1016/j.actatropica.2012.01.012

PubMed ID

22289669

ISSN

0001706X

E-ISSN

18736254

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