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Pointer, Michael D. 
ORCID: https://orcid.org/0000-0002-7926-330X, Spurgin, Lewis G., Vasudeva, Ramakrishnan ORCID: https://orcid.org/0000-0002-3831-0384, McMullan, Mark, Butler, Simon ORCID: https://orcid.org/0000-0002-5111-5639 and Richardson, David S. ORCID: https://orcid.org/0000-0001-7226-9074
(2024)
Traits underlying experimentally evolved dispersal behavior in Tribolium castaneum.
Journal of Insect Behavior, 37 (3-4).
220–232.
ISSN 0892-7553
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Abstract
Dispersal is an important behavior in many animals, with profound effects on individual fitness and the evolutionary trajectories of populations. This is especially true within taxa with particular life-history strategies, for example those that exploit ephemeral habitat. Further, dispersal is commonly seen to be part of behavioral syndromes - suites of traits that covary across behavioral contexts. The red flour beetle, Tribolium castaneum (Coleoptera, Tenebrionidae), is a major post-harvest crop pest responsible for large losses through the infestation of stored grain. In this system dispersal is known to have a strong genetic basis and differential artificial selection on dispersal traits produces strong phenotypic divergence. However, it is unknown which traits are able to rapidly evolve to produce these results, or which behavioral components underlie differences in dispersal. Using replicate lines of T. castaneum previously selected for divergent dispersal behavior, we test for correlated activity and movement patterns, morphology and substrate surface use. We find robustly repeatable associations between the dispersal phenotype and higher activity, straighter paths, larger body size (but not relative leg length) and increased tendency to remain at the surface of fodder. Together our results suggest that dispersal is part of a syndrome of traits in T. castaneum, and must be treated as such when considering the evolution of dispersal in this system, and in attempting to predict and control its spread.
| Item Type: | Article |
|---|---|
| Additional Information: | Data Availability Statement: The data files and analysis scripts used in this study are openly available from Mendeley data (https://doi.org/10.17632/zcb97xf8xt.1). Funding information: This research was supported by a Biotechnology and Biological Sciences Research Council studentship to MDP (BB/M011216/1), through the Norwich Research Park Doctoral Training Partnership, and a Future Leader fellowship to LGS (BB/N011759/1). |
| Uncontrolled Keywords: | artificial selection,boldness,dispersal,emigration,experimental evolution,flour beetle,tenebrionidae,tribolium,ecology, evolution, behavior and systematics,insect science,sdg 10 - reduced inequalities ,/dk/atira/pure/subjectarea/asjc/1100/1105 |
| Faculty \ School: | Faculty of Science > School of Biological Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 05 Nov 2024 12:30 |
| Last Modified: | 16 Dec 2024 01:43 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/97511 |
| DOI: | 10.1007/s10905-024-09862-x |
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