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Issue: Vol. 7 No. 3: June 2024
Type: Article
Published: 2024-06-29
DOI: 10.11646/palaeoentomology.7.3.7
Page range: 377-385
Abstract views: 2
PDF downloaded: 0

A new sawfly from the Paleocene of Menat (Hymenoptera: Tenthredinidae)

Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, Centre National de la Recherche Scientifique, Sorbonne Université, École Pratique des Hautes Études, Université des Antilles, CP50, 45 rue Buffon, F-75005 Paris, France
College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, Centre National de la Recherche Scientifique, Sorbonne Université, École Pratique des Hautes Études, Université des Antilles, CP50, 45 rue Buffon, F-75005 Paris, France; Géosciences Rennes (UMR 6118), Université de Rennes, CNRS, F-35000 Rennes, France; Institut des Sciences de l’Évolution (UMR 5554), Université de Montpellier, CNRS, F-34095 Montpellier, France
Insecta Symphyta Allantinae oldest record Hymenoptera Tenthredinidae

Abstract

The new tenthredinid Palaeocaiina menatensis gen. et sp. nov. is described and illustrated from the Paleocene of Menat (Puy-de-Dôme, France). Although its preservation complicates the observation of several key characters useful to distinguish between tenthredinid subfamilies, we decided to place this new taxon within the tribe Allantini of the subfamily Allantinae. Its venation of fore- and hind wings combined with the shape of its ovipositor sheaths leads us assume that Palaeocaiina gen. nov. is possibly related to the extant genus Caiina Wei, 2004 distributed in the east Palearctic. Interestingly, this new genus is the oldest known fossil of the subfamily Allantinae.

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