CORDIS Project
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This project investigates the genetic basis of eyespan variation in stalk-eyed flies, focusing on how this trait influences female mate choice. By analyzing genetic variation in natural populations, the research aims to understand the evolutionary significance of exaggerated male traits in sexual selection.
Stalk-eyed flies have eyes displaced laterally from the head on elongate stalks in both sexes.
Males have exaggerated eyespan and this trait functions as a sexual ornament.
Evidence from the field and laboratory shows that females prefer to mate with males that have the largest eyespan.
It is thought that male eyespan acts as a signal of male genetic quality, as this sexually exaggerated trait exhibits heightened condition dependent expression.
Teleopsis dalmanni is emerging as one of the key m…
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