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1 November 2008 Behavioral Responses of Aedes albopictus to a Predator Are Correlated with Size-Dependent Risk of Predation
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Abstract

The invasive container-dwelling mosquito Aedes albopictus (Skuse) shows modest behavioral responses to water-borne cues from predatory Corethrella appendiculata Grabham in North America. We investigate whether Ae. albopictus adjust their antipredatory responses to be proportional to size-dependent risk of predation. Fourth-instar Ae. albopictus attain a size refuge from C. appendiculata predation, and we compared the responses of second- and fourth-instar Ae. albopictus to cues from C. appendiculata predation. More vulnerable second-instar larvae showed a larger change in behavior in response to predation cues than did less vulnerable fourth-instar larvae, indicating threat-sensitive behavioral responses by Ae. albopictus.

Banugopan Kesavaraju and Steven A. Juliano "Behavioral Responses of Aedes albopictus to a Predator Are Correlated with Size-Dependent Risk of Predation," Annals of the Entomological Society of America 101(6), 1150-1153, (1 November 2008). https://doi.org/10.1603/0013-8746-101.6.1150
Received: 29 February 2008; Accepted: 1 July 2008; Published: 1 November 2008
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