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Insect wing shape evolution: independent effects of migratory and mate guarding flight on dragonfly
Umeå University, Faculty of Science and Technology, Ecology and Environmental Science.
Umeå University, Faculty of Science and Technology, Ecology and Environmental Science.
Umeå University, Faculty of Science and Technology, Ecology and Environmental Science.
2009 (English)In: Biological Journal of the Linnean Society, ISSN 0024-4066, E-ISSN 1095-8312, Vol. 97, 362-372 p.Article in journal (Refereed) Published
Abstract [en]

Although, in some insect taxa, wing shape is remarkably invariant, the wings of Anisopteran dragonflies show considerable variation among genera. Because wing shape largely determines the high energetic costs of flight, it may be expected that interspecific differences are partly due to selection. In the present study, we examined the roles of long-distance migration and high-manoeuvrability mate guarding in shaping dragonfly wings, using a phylogeny-based comparative method, and geometric morphometrics to quantify wing shape. The results obtained show that migration affects the shape of both front and hind wings, and suggest that mate guarding behaviour may also have an effect, especially on the front wing. These effects on front wing shape are at least partly independent. Our findings are interesting when compared with the geographically widespread and ecologically diverse dipterans Acalyptratae (including the genus Drosophila). The wings in that group are similar in function and structure, but show strikingly low levels of interspecific variation.

Place, publisher, year, edition, pages
2009. Vol. 97, 362-372 p.
Identifiers
URN: urn:nbn:se:umu:diva-23245DOI: 10.1111/j.1095-8312.2009.01211.xOAI: oai:DiVA.org:umu-23245DiVA: diva2:222318
Available from: 2009-06-08 Created: 2009-06-08 Last updated: 2017-12-13

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CiteExportLink to record
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