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Insects 2011, 2(2), 186-194; doi:10.3390/insects2020186

Host Searching and Aggregation Activity of Recently Fed and Unfed Bed Bugs (Cimex lectularius L.)

Department of Entomology, Virginia Tech, 216A Price Hall, Blacksburg, VA 24061, USA
Author to whom correspondence should be addressed.
Received: 22 February 2011 / Revised: 1 April 2011 / Accepted: 29 April 2011 / Published: 4 May 2011
(This article belongs to the Special Issue Bed Bugs: An Emerging Pandemic)
View Full-Text   |   Download PDF [235 KB, 11 July 2011; original version 4 May 2011]   |  


Groups of starved, virgin adult male or female bed bugs were stimulated to search for a host by the presence of a heated artificial feeder. Some of the bed bug groups were allowed to obtain a blood meal and some were not. After the removal of the feeder, bed bugs were observed throughout the scotophase to record their searching and aggregation behavior. Groups of male and female bed bugs that were unable to obtain a blood meal continued to search in the arena for the majority of the scotophase. Bed bugs that were able to obtain a blood meal returned to their shelter to aggregate 30 min after feeding. Overall, the proportion of bed bugs aggregating in shelters during the scotophase was significantly greater for those that had fed successfully than those that had not. However, all bed bugs, regardless of feeding status, began to return to shelters to aggregate 2 h prior to the photophase.
Keywords: bed bug; Cimex lectularius; movement; aggregation activity bed bug; Cimex lectularius; movement; aggregation activity

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Reis, M.D.; Miller, D.M. Host Searching and Aggregation Activity of Recently Fed and Unfed Bed Bugs (Cimex lectularius L.). Insects 2011, 2, 186-194.

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