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Smell-wars between butterflies and ants
Date:1/3/2008

by the flow of non-resistant genes from the uninfected areas.

In their study, the CSE researchers show that the two red ant species of the genus Myrmica that are host for the Alcon blue in Denmark differ dramatically in their degree of gene-flow among neighbouring sites, even though they live in the same gentian patches. Exactly as expected from evolutionary theory, they demonstrate that selection for resistance only works when the ant queens mate locally with males from colonies that have likewise suffered from butterfly parasitism.

With this study, the CSE researchers show that a study that was initially inspired by an interest in the suitable conservation of these large blue butterflies in Denmark can give important insights into the fundamentals of evolutionary biology. They achieved this result by an interdisciplinary collaboration with a British group of chemists, specializing on the study of chemical profiles on the surface of insects.


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Contact: David Nash
DRNash@bi.ku.dk
453-532-1323
University of Copenhagen
Source:Eurekalert

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