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Unresolved questions in genitalia coevolution: bridging taxonomy, speciation, and developmental genetics

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Abstract

Systematists and geneticists study biological diversity, but they use different approaches that rarely intersect. A very common pattern that is of interest for both researchers is the rapid evolution of genitalia, a trait of significant taxonomic utility in several sexually reproducing animal clades. The idea that both male and female genitalia are species-specific and play a role in reproductive isolation has long been controversial but has recently gained a renewed interest by speciation and developmental geneticists. Here, I highlight six unresolved questions in genitalia coevolution and I argue that systematists, with their well training in comparative morphology, usage of large and geographically diverse collections, and ability to apply molecular genetics techniques, can make important contributions. Such an extension of systematics into the speciation and developmental genetics realms is a promising opportunity to expand “integrative taxonomy” comparisons between DNA and morphology into more explanatory relationships between the two sources of taxonomic data.

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Acknowledgments

I am much grateful to an anonymous reviewer, Virginie Orgogozo, and Jean R. David for their constructive criticisms on the manuscript.

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  1. Laboratory of Genetics, University of Wisconsin-Madison, 425G Henry Mall, Madison, WI, 53706, USA

    Amir Yassin

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Yassin, A. Unresolved questions in genitalia coevolution: bridging taxonomy, speciation, and developmental genetics. Org Divers Evol 16, 681–688 (2016). https://doi.org/10.1007/s13127-016-0286-2

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