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Taxonomic addition to the early diverged parasitic wasps (Hymenoptera: Orussoidea) from the mid-Cretaceous Burmese amber

Abstract : A new genus and species of orussoid wasps, Cretorussus vilhelmseni gen. et sp. nov., is described based on new material from the mid-Cretaceous Burmese amber. Its wing venation and body characters lead us to emend the diagnosis of the family Burmorussidae. Cretorussus vilhelmseni gen. et sp. nov. is considered to be a specialized parasitic wasp of wood-living hosts because of the orussid-like ocellar crown, antennae attached well above clypeus, and antennal grooves absent. Interestingly, the third tarsomere carries a prominent lanceolate lobe, serving as part of the host detection. We propose a summary of the orussoid fossil diversity. Lastly, we discuss the implications of several characters of Burmorussidae that are involved in host detection.
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https://hal-insu.archives-ouvertes.fr/insu-03203872
Contributor : Isabelle Dubigeon <>
Submitted on : Friday, May 21, 2021 - 1:47:03 PM
Last modification on : Saturday, May 22, 2021 - 3:39:40 AM

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Corentin Jouault, Vincent Perrichot, André Nel. Taxonomic addition to the early diverged parasitic wasps (Hymenoptera: Orussoidea) from the mid-Cretaceous Burmese amber. Proceedings of the Geologists' Association, Elsevier, inPress, ⟨10.1016/j.pgeola.2021.02.002⟩. ⟨insu-03203872⟩

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