Phylogenomics illuminates the phylogeny of flower weevils (Curculioninae) and reveals ten independent origins of brood-site pollination mutualism in true weevils

Haran Julien, Li X., Allio R., Shin Seunggwan, Benoit Laure, Oberprieler Rolf G., Farrell B.D., Brown S. D. J., Leschen Richard A.B., Kergoat Gael J., McKenna Duane D.. 2023. Phylogenomics illuminates the phylogeny of flower weevils (Curculioninae) and reveals ten independent origins of brood-site pollination mutualism in true weevils. Proceedings of the Royal Society B: Biological Sciences, 290 (2008), 11 p.

https://doi.org/10.1098/rspb.2023.0889

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Url - jeu de données - Entrepôt autre : https://www.ncbi.nlm.nih.gov/bioproject/PRJNA1021960/ / Url - jeu de données - Entrepôt autre : https://doi.org/10.6084/m9.figshare.c.6845617

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Résumé : Weevils are an unusually species-rich group of phytophagous insects for which there is increasing evidence of frequent involvement in brood-site pollination. This study examines phylogenetic patterns in the emergence of brood-site pollination mutualism among one of the most speciose beetle groups, the flower weevils (subfamily Curculioninae). We analysed a novel phylogenomic dataset consisting of 214 nuclear loci for 202 weevil species, with a sampling that mainly includes flower weevils as well as representatives of all major lineages of true weevils (Curculionidae). Our phylogenomic analyses establish a uniquely comprehensive phylogenetic framework for Curculioninae and provide new insights into the relationships among lineages of true weevils. Based on this phylogeny, statistical reconstruction of ancestral character states revealed at least 10 independent origins of brood-site pollination in higher weevils through transitions from ancestral associations with reproductive structures in the larval stage. Broadly, our results illuminate the unexpected frequency with which true weevils—typically specialized phytophages and hence antagonists of plants—have evolved mutualistic interactions of ecological significance that are key to both weevil and plant evolutionary fitness and thus a component of their deeply intertwined macroevolutionary success.

Mots-clés Agrovoc : phylogénie, interactions biologiques, pollinisateur

Mots-clés libres : Brood-site pollination, Convergent evolution, Insect–plant interactions, Systematics, Weevils, Exon capture

Classification Agris : L20 - Écologie animale

Champ stratégique Cirad : CTS 1 (2019-) - Biodiversité

Agences de financement hors UE : National Science Foundation, Centre de Coopération Internationale en Recherche Agronomique pour le Développement

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