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New Burmese amber fossils clarify the evolution of bethylid wasps (Hymenoptera: Chrysidoidea)

Abstract : Two new bethylid wasps from Cenomanian Burmese amber, one tentatively placed in †Protopristocerinae: Cretapristocera longiscapa gen. & sp. nov. and one in †Holopsenellinae: Megalopsenella pouilloni gen. & sp. nov., are described and illustrated here. They provide new data on the Cretaceous diversity of the family and extend the Cenomanian Burmese amber records to six species. We discuss their systematic placements and provide identification keys to species of †Holopsenellinae and †Protopristocerinae to assist future taxonomic studies. We phylogenetically analyse Bethylidae, adding several fossil taxa to a recent study, suggesting a new hypothesis for the relationships between the different subfamilies. We also address the distribution and underestimated diversity of the family during the Cretaceous and the evolution of the venation of their wings. Finally, we discuss the possible misplacement of the families Plumariidae and †Falsiformicidae
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https://hal-insu.archives-ouvertes.fr/insu-02921314
Contributor : Isabelle Dubigeon <>
Submitted on : Tuesday, August 25, 2020 - 9:34:12 AM
Last modification on : Friday, September 18, 2020 - 2:35:04 PM

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Corentin Jouault, Valerie Ngô-Muller, Jean-Marc Pouillon, André Nel. New Burmese amber fossils clarify the evolution of bethylid wasps (Hymenoptera: Chrysidoidea). Zoological Journal of the Linnean Society, Linnean Society of London, In press, ⟨10.1093/zoolinnean/zlaa078⟩. ⟨insu-02921314⟩

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