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19 December 2018 Pyrethroid Resistance Associated with a Decreased DEET Repellency in the Common Bed Bug (Hemiptera: Cimicidae)
Claudia V. Vassena, Mariano Cáceres, Pablo L. Santo-Orihuela
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Abstract

The global resurgence of the bed bug (Cimex lectularius L.) and the widespread resistance of this insect to pyrethroid insecticides have created the need to find alternatives to chemical control. Thus, synthetic or natural repellents have been considered as a suitable choice to control bed bug infestations. Repellents not only keep insects away from their hosts, but also allow a decrease in insecticide selection pressure. The aim of this study was to evaluate the repellence effectivity of DEET against two bed bug colonies from Argentina (a susceptible one and a field-collected pyrethroid-resistant one), under two starving periods. We found different repellent effects of DEET on the two C. lectularius colonies and no differences between the two starving periods. In fact, DEET had a lower effect on the insecticide-resistant colony. The methodology used in this study proved to be useful to test the variation of the effect of DEET between pyrethroid-susceptible and -resistant bed bugs.

©The Author(s) 2018. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Claudia V. Vassena, Mariano Cáceres, and Pablo L. Santo-Orihuela "Pyrethroid Resistance Associated with a Decreased DEET Repellency in the Common Bed Bug (Hemiptera: Cimicidae)," Journal of Economic Entomology 112(2), 997-1000, (19 December 2018). https://doi.org/10.1093/jee/toy387
Received: 28 June 2018; Accepted: 12 November 2018; Published: 19 December 2018
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KEYWORDS
bed bug
DEET
insecticide resistance
repellence
starvation
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