Behavior, behavioral syndromes, and metabolism: the effects of artificial selection for death-feigning on metabolic rate.

Kentarou Matsumura, David J Hosken, Tomohito Noda, Takahisa Miyatake, Manmohan D Sharma

Abstract read

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Article in Journal of insect science (Online), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Kentarou MatsumuraGraduate School of Environmental and Life Science, Okayama University, Okayama, Japan.

David J HoskenCentre for Ecology and Conservation, Faculty of Environment, Science and Economy, University of Exeter, Penryn, UK.

Tomohito NodaCentre for Ecology and Conservation, Faculty of Environment, Science and Economy, University of Exeter, Penryn, UK.

Takahisa MiyatakeGraduate School of Environmental and Life Science, Okayama University, Okayama, Japan.ORCID 0000-0002-5476-0676

Manmohan D SharmaCentre for Ecology and Conservation, Faculty of Environment, Science and Economy, University of Exeter, Penryn, UK.

Funding

Japan Society for the Promotion of Science 18H02510

6 · The paper itself

Abstract

Death-feigning, or thanatosis, is an anti-predator behavioral strategy in many animals. Because individuals remain immobile while feigning death, individuals with longer durations of death feigning often show lower locomotor activity. Thus, metabolic rate, which is closely related to locomotor activity, may also be related to the intensity of death feigning. If there is a genetic correlation between death feigning and metabolism, metabolic rate may respond to selection on death-feigning behavior. Here, we tested for a relationship between metabolic rate and death-feigning using replicated populations of the red flour beetle (Tribolium castaneum) subjected to artificial bidirectional selection on the duration of death-feigning behavior. The results indicated that metabolic rate did not differ between populations selected for increased or decreased death feigning, although locomotor activity was significantly different between these treatments; populations selected for reduced death-feigning durations tended to be more active. These results suggest that death-feigning behavior is not genetically correlated with metabolic rate in T. castaneum.

Indexed as

Behavior, AnimalEnergy MetabolismSelection, GeneticTriboliumAnimalsLocomotionMaleanti-predator behaviorartificial selectiondeath-feigningmetabolic ratepersonalityTribolium

Identifiers

PMID39953933

DOI10.1093/jisesa/ieaf007

PMCPMC11829217

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.