Do allopatric male Calopteryx virgo damselflies learn species recognition?
Kuitunen, K., Haukilehto, E., Raatikainen, K. J., Miettinen, M., Hakkarainen, H., Högmander, H., & Kotiaho, J. S. (2012). Do allopatric male Calopteryx virgo damselflies learn species recognition?. Ecology and Evolution, 2(3), 615–621. https://doi.org/10.1002/ece3.90
Published inEcology and Evolution
DisciplineEkologia ja evoluutiobiologiaTilastotiedeEvoluutiotutkimus (huippuyksikkö)Ecology and Evolutionary BiologyStatisticsCentre of Excellence in Evolutionary Research
© 2012 The Authors. Ecology and Evolution published by Blackwell Publishing Ltd. This is an open access article distributed under the terms of the Creative Commons License.
There is a growing amount of empirical evidence that premating reproductive isolation of two closely related species can be reinforced by natural selection arising from avoidance of maladaptive hybridization. However, as an alternative for this popular reinforcement theory, it has been suggested that learning to prefer conspecifics or to discriminate heterospecifics could cause a similar pattern of reinforced premating isolation, but this possibility is much less studied. Here, we report results of a field experiment in which we examined (i) whether allopatric Calopteryx virgo damselfly males that have not encountered heterospecific females of the congener C. splendens initially show discrimination, and (ii) whether C. virgo males learn to discriminate heterospecifics or learn to associate with conspecifics during repeated experimental presentation of females. Our experiment revealed that there was a statistically nonsignificant tendency for C. virgo males to show initial discrimination against heterospecific females but because we did not use sexually naïve individuals in our experiment, we were not able to separate the effect of innate or associative learning. More importantly, however, our study revealed that species discrimination might be further strengthened by learning, especially so that C. virgo males increase their association with conspecific females during repeated presentation trials. The role of learning to discriminate C. splendens females was less clear. We conclude that learning might play a role in species recognition also when individuals are not naïve but have already encountered potential conspecific mates. ...
ISSN Search the Publication Forum2045-7758
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Except where otherwise noted, this item's license is described as © 2012 The Authors. Ecology and Evolution published by Blackwell Publishing Ltd. This is an open access article distributed under the terms of the Creative Commons License.
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