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Published March 23, 2020 | Version v1
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Burmorussidae, a new family of parasitic wasps (Insecta: Hymenoptera) from mid-Cretaceous Burmese amber

  • 1. Qufu Normal University
  • 2. Institute of Paleontology A A Borisyak
  • 3. Linyi University
  • 4. Nanjing Institute of Geology and Paleontology

Description

A new genus and species, Burmorussus mirabilis, is described based on two specimens from the mid-Cretaceous Burmese amber, and considered to be a specialized parasitic wasp of wood-living hosts. The new taxon is characterized by an orussid-like ocellar crown, big eyes, antennae attached well above the clypeus, and antennal grooves or ventral transverse frontal carinae absent. Additionally, all legs carry a prominent lanceolate lobe on the 3rd tarsomere. A similar structure is found, but organized differently, in Recent Orussidae and Stephanidae, serving as a part of vibration analyzer. Although sharing some characters with families Karatavitidae, Orussidae and Paroryssidae, this new taxon cannot be assigned to any of these families. We propose a new monotypic family Burmorussidae and assign it to the superfamily Orussoidea. A phylogenetic analysis confirms the monophyly of Orussoidea, which occurs a sister group to Apocrita

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Zhang_at_al_2020_-_Burmorussidae_Nexus.txt

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