Presentation Details
| Assortative mating and sexual selection on signal and preference loci in the European corn borer Erik Dopman, Alyssa Murray. Tufts University, Medford, MA, USA |
Abstract
Sexual signals and preferences are expected to coevolve through nonrandom mating, but this process is rarely measured at the underlying loci. In the European corn borer moth, Ostrinia nubilalis, we use population cage experiments to test for genotype-specific mating patterns at a mating signal locus in females and a mating preference locus in males. We ask whether observed matings differ from random expectation and whether some genotypes achieve disproportionate mating success. These data provide a direct behavioral-genetic test of how mate choice generates sexual selection on both components of a communication system. The results show how non-random mating can favor specific signal–preference combinations and build the genetic associations predicted under coevolutionary models of sexual communication.
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No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
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