Female and male genital surface microstructures in shining leaf beetles (Coleoptera, Chrysomelidae, Criocerinae)

2025 · doi:10.3897/arphapreprints.e148760
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Abstract

Female genital diversity and co-evolution of female and male genitalia have been increasingly unveiled, particularly through recent studies. These findings highlight the importance of genital coupling in genital studies. In this pilot study, I examined membranous elements of female and male genitalia that come into physical contact during copulation in five representative species of shining leaf beetles by employing stereomicroscopy and scanning electron microscopy. The female genital surfaces are largely smooth, but a thickened patch bearing sensilla is present. In contrast, the male surfaces are at least partially covered with microprotrusions. I present distribution maps of these microstructures for all study species. By comparing the results with those of previous studies, I discuss their possible functions and future research directions in this field.
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Preprint ARPHA Preprints https://doi.org/10.3897/arphapreprints.e148760 (05 Feb 2025) https://doi.org/10.3897/arphapreprints.e148760 (05 Feb 2025) Published in: ZooKeys https://doi.org/10.3897/zookeys.1252.148379 Other versions: - Preprint InfoPreprint Info - CiteCite - MetricsMetrics - CommentComment - RelatedRelated - CitedCited ARPHA Preprints doi: 10.3897/arphapreprints.e148760 First posted 05 Feb 2025 Author Yoko Matsumura - Corresponding author Friedrich-Schiller-Universität Jena, Jena, Germany Conflict of interest The author has declared that no competing interests exist. Supporting agencies JSPS - Japan Society for the Promotion of Science This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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License: CC-BY-4.0