Articles | Volume 24, issue 2
https://doi.org/10.5194/fr-24-379-2021
https://doi.org/10.5194/fr-24-379-2021
Research article
 | 
13 Dec 2021
Research article |  | 13 Dec 2021

Past ecosystems drive the evolution of the early diverged Symphyta (Hymenoptera: Xyelidae) since the earliest Eocene

Corentin Jouault, Arvid Aase, and André Nel

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Latest update: 28 Mar 2024
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Short summary
Here we describe two new genera of fossil sawfly belonging to the Xyelidae. The fossil record of the family during the Mesozoic and Cenozoic is analyzed, supporting the hypothesis that the Eocene biomes shape the current distribution of the Xyelidae. These discoveries were made possible thanks to the study of old specimens housed in institutional collections or donated by an American citizen.