Hélène Audusseau, Sören Nylin and Niklas Janz Implications of a temperature increase for host plant range: predictions for a butterfly Ecology and Evolution 3
A temperature increase is expected to affect an insect's host plant-interactions as well as its number of reproductive cycles. We showed how the performance of a butterfly species (Polygonia c-album) is modified in terms of growth and survival by the combined effects of temperature, host plant use and voltinism. The results suggest that in this species, host range evolution in response to a temperature increase would depend on whether the population undergoes a shift in voltinism.
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