TITLE

High Repeatability of Anti-Predator Responses and Resting Metabolic Rate in a Beetle

AUTHOR(S)
Krams, Indrikis; Kivleniece, Inese; Kuusik, Aare; Krama, Tatjana; Freeberg, Todd; Mänd, Raivo; Sivacova, Ljubova; Rantala, Markus; Mänd, Marika
PUB. DATE
January 2014
SOURCE
Journal of Insect Behavior;Jan2014, Vol. 27 Issue 1, p57
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Measures of repeatability are essential for understanding behavioral consistency and individual differences in behavior, i.e. animal personalities. We studied anti-predator responses of the yellow mealworm beetle ( Tenebrio molitor) and performed behavioral tests in plastic containers representing a typical laboratory environment of T. molitor. Behavioral tests were repeated in Eppendorf test tubes where we also measured resting metabolic rate (RMR). Results show that the response latency to a threatening/startling stimulus, and the total time spent in the state of tonic immobility, correlated across the tests. The behavioral responses were repeatable and RMR covaried phenotypically with personality: we found a negative correlation between response latency time and time spent immobile, a positive correlation between response latency and RMR, and a negative correlation between RMR and total time spent immobile. These correlations were also similar across trials performed in the Eppendorf test tubes and the plastic containers.
ACCESSION #
93434874

 

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