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1 January 2009 Behavioral Responses of the Bed Bug to Insecticide Residues
Alvaro Romero, Michael F. Potter, Kenneth F. Haynes
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The recent resurgence of bed bugs, Cimex lectularius L. (Heteroptera: Cimicidae), has increased the demand for information about effective control tactics. Several studies have focused on determining the susceptibility of bed bug populations to insecticides. However, behavioral responses of bed bugs to insecticide residues could influence their efficacy. The behavioral responses of bed bugs to deltamethrin and chlorfenapyr, two commonly used insecticides for bed bug control in the United States, were evaluated. In two-choice tests, grouped insects and individual insects avoided resting on filter paper treated with deltamethrin. Insects did not avoid surfaces treated with chlorfenapyr. Harborages, containing feces and eggs and treated with a deltamethrin-based product, remained attractive to individuals from a strain resistant to pyrethroids. Video recordings of bed bugs indicated that insects increased activity when they contacted sublethal doses of deltamethrin. Insecticide barriers of chlorfenapyr or deltamethrin did not prevent bed bugs from reaching a warmed blood source and acquiring blood meals. We discuss the impact of these responses on bed bug control practices.

© 2009 Entomological Society of America
Alvaro Romero, Michael F. Potter, and Kenneth F. Haynes "Behavioral Responses of the Bed Bug to Insecticide Residues," Journal of Medical Entomology 46(1), 51-57, (1 January 2009).
Received: 26 February 2008; Accepted: 1 August 2008; Published: 1 January 2009

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behavioral responses
Cimex lectularius
insecticide avoidance
locomotor activity
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