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Coevolution of non-fertile sperm and female receptivity in a butterfly.
Stockholm University, Faculty of Science, Department of Zoology.ORCID iD: 0000-0003-4719-487X
Stockholm University, Faculty of Science, Department of Zoology.
2009 (English)In: Biology Letters, ISSN 1744-9561, E-ISSN 1744-957X, Vol. 5, no 5, 678-81 p.Article in journal (Refereed) Published
Abstract [en]

Sexual conflict can promote rapid evolution of male and female reproductive traits. Males of many polyandrous butterflies transfer nutrients at mating that enhances female fecundity, but generates sexual conflict over female remating due to sperm competition. Butterflies produce both normal fertilizing sperm and large numbers of non-fertile sperm. In the green-veined white butterfly, Pieris napi, non-fertile sperm fill the females' sperm storage organ, switching off receptivity and thereby reducing female remating. There is genetic variation in the number of non-fertile sperm stored, which directly relates to the female's refractory period. There is also genetic variation in males' sperm production. Here, we show that females' refractory period and males' sperm production are genetically correlated using quantitative genetic and selection experiments. Thus selection on male manipulation may increase the frequency of susceptible females to such manipulations as a correlated response and vice versa.

Place, publisher, year, edition, pages
2009. Vol. 5, no 5, 678-81 p.
National Category
Ecology Ecology
Research subject
Animal Ecology
URN: urn:nbn:se:su:diva-33188DOI: 10.1098/rsbl.2009.0452ISI: 000269699300030PubMedID: 19640869OAI: diva2:282588
Available from: 2009-12-21 Created: 2009-12-21 Last updated: 2014-10-13Bibliographically approved

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Wiklund, Christer
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