Male biased sex ratio reduces the fecundity of one of three female morphs in a polymorphic damselfly

Ivette Galicia-Mendoza, Iago Sanmartín-Villar, Carlos Espinosa-Soto and Adolfo Cordero-Rivera

Behavioral Ecology, 2017, vol. 28, issue 4, 1183-1194

Abstract: Lay SummaryHow genetic variation is preserved is a central issue in evolutionary biology. In many species of damselflies, females come in distinct heritable color varieties. We found that in an Iberian damselfly when subject to stressful male harassment, fecundity decreased in one kind of female but not in others. Our results, together with previous observations, suggest a scenario where differential fecundity, male preference, and fluctuations in male abundance play an important role in maintaining this variation.

Keywords: color polymorphism; fecundity; harassment; Ischnura graellsii; Odonata; sex ratio (search for similar items in EconPapers)
Date: 2017
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