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Pointer, Michael D. 
ORCID: https://orcid.org/0000-0002-7926-330X, Spurgin, Lewis G., 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)
Life history correlations and trade-offs resulting from selection for dispersal in Tribolium castaneum.
Journal of Evolutionary Biology, 37 (7).
pp. 748-757.
ISSN 1010-061X
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Abstract
Dispersal is an important facet of the life history of many organisms and is, therefore, subject to selective pressure but does not evolve in isolation. Across nature, there are examples of dispersal syndromes and life history strategies in which suites of traits coevolve and covary with dispersal in combinations that serve to maximize fitness in a given ecological context. The red rust flour beetle, Tribolium castaneum, is a model organism and globally significant post-harvest pest that relies on dispersal to reach new patches of ephemeral habitat. Dispersal behaviour in Tribolium has a strong genetic basis. However, a robust understanding of the relationship between dispersal and other life-history components, which could elucidate evolutionary processes and allow pest managers to control their spread and reduce the impact of infestation, is currently lacking. Here, we use highly replicated lines of T. castaneum previously artificially selected for divergent small-scale dispersal propensity to robustly test several important life history components: reproductive strategy, development time, and longevity. As predicted, we find that a suite of important changes as a result of our selection on dispersal: high dispersal propensity is associated with a lower number of longer mating attempts by males, lower investment in early life reproduction by females, slower development of later-laid offspring, and longer female life span. These findings indicate that correlated intraspecific variation in dispersal and related traits may represent alternative life history strategies in T. castaneum. We therefore suggest that pest management efforts to mitigate the species' agro-economic impact should consider the eco-evolutionary dynamics within multiple life histories. The benefits of doing so could be felt both through improved targeting of efforts to reduce spread and also in forecasting how the selection pressures applied through pest management are likely to affect pest evolution.
| Item Type: | Article |
|---|---|
| Additional Information: | Data availability: Raw data files used in this study can be found on Dryad https://doi.org/10.5061/dryad.j6q573nn8. Representative image files can be found on Zenodo at https://doi.org/10.5281/zenodo.10852855. Funding Information: This research was supported by a Biotechnology and Biological Sciences Research Council (BBSRC) studentship to MDP (BB/M011216/1) through the Norwich Research Park Doctoral Training Partnership and a BBSRC Future Leader fellowship to LGS (BB/N011759/1). |
| Uncontrolled Keywords: | dispersal,dispersal syndrome,emigration,experimental evolution,flour beetle,life history,tribolium,ecology, evolution, behavior and systematics,sdg 10 - reduced inequalities,sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/1100/1105 |
| Faculty \ School: | Faculty of Science > School of Biological Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 07 Aug 2024 16:30 |
| Last Modified: | 12 Aug 2024 00:35 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/96173 |
| DOI: | 10.1093/jeb/voae041 |
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