A new scolebythid-like chrysidoid genus and species (Hymenoptera: Chrysidoidea) with striking metasomal structure from the mid-Cretaceous Kachin amber - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Palaeoentomology Année : 2023

A new scolebythid-like chrysidoid genus and species (Hymenoptera: Chrysidoidea) with striking metasomal structure from the mid-Cretaceous Kachin amber

Résumé

The Cretaceous fossil record of the aculeate superfamily Chrysidoidea has been greatly enriched in the past few years, thanks especially to the abundance of available material in the late Albian-early Cenomanian amber from the Kachin state (Myanmar). We here document the discovery of a new genus and species, Thagyaminobythus martini gen. et sp. nov., from Kachin amber, emphasizing the extraordinary diversity of chrysidoid wasps in this deposit. The genus is left as incertae sedis within the superfamily because it exhibits a combination of Scolebythidae, Bethylidae and Chrysididae features. We discuss the possibility that Thagyaminobythus martini gen. et sp. nov. could retract its posterior metasomal segments and the co-occurrence of such a structure in several chrysidoid families.
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hal-04305401 , version 1 (24-11-2023)

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Simon Rosse-Guillevic, Corentin Jouault, Manuel Brazidec. A new scolebythid-like chrysidoid genus and species (Hymenoptera: Chrysidoidea) with striking metasomal structure from the mid-Cretaceous Kachin amber. Palaeoentomology, 2023, Palaeoentomology, 6 (5), pp.519-526. ⟨10.11646/palaeoentomology.6.5.10⟩. ⟨hal-04305401⟩
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