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Phenotype manipulation influences microhabitat choice in pygmy grasshoppers
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.ORCID iD: 0000-0001-9598-7618
2012 (English)In: Current Zoology, ISSN 1674-5507, Vol. 58, no 3, 392-400 p.Article in journal (Refereed) Published
Abstract [en]

The matching habitat choice hypothesis posits that individuals actively choose those microhabitats that best match their specificphenotype to maximize fitness. Despite the profound implications, matching habitat choice has not been unequivocally demonstrated. Weconducted two experiments to examine the impact of pigmentation pattern in the color polymorphic pygmy grasshopper Tetrix subulata onhabitat choice in a laboratory thermal mosaic arena. We found no behavioral differences in the thermal mosaic among pygmy grasshoppersbelonging to either pale, intermediate or dark natural color morphs. However, after manipulating the grasshoppers’ phenotype, the utilizationthrough time of warmer and colder parts of the arena was different for black-painted and white-painted individuals. White-paintedindividuals used warmer parts of the arena, at least during the initial stage of the experiment. We conclude that microhabitat choicerepresents a form of behavioural plasticity. Thus, even if the choice itself is flexible and not genetically determined, it can still lead to spatialgenetic structure in the population because the phenotypes themselves may be genetically mediated

Place, publisher, year, edition, pages
2012. Vol. 58, no 3, 392-400 p.
National Category
Ecology Evolutionary Biology
Research subject
Ecology, Evolutionary Biology
Identifiers
URN: urn:nbn:se:lnu:diva-15886DOI: 10.1093/czoolo/58.3.392OAI: oai:DiVA.org:lnu-15886DiVA: diva2:459684
Available from: 2011-11-28 Created: 2011-11-28 Last updated: 2016-07-07Bibliographically approved

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Wennersten, LenaKarpestam, EinatForsman, Anders
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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NB
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  • Other locale
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