A new genus and species of the subfamily Pemphredoninae (Hymenoptera: Crabronidae) in Upper Cretaceous amber from Myanmar

Abstract : A new genus and species from the subfamily Pemphredoninae (Hymenoptera: Crabronidae) is described from the Upper Cretaceous amber of Myanmar, commonly known as Burmese amber. A complete, illustrated description is provided. Colmepsiterona cumcarena n. gen. et sp. represents the third record of the subfamily in the deposit, as well as the tenth of the family Crabronidae in Mesozoic. This taxon is morphologically close to Cretospilomena familiaris, previously described in the same deposit. However, although numerous features are shared, a number of unique features justify the proposition of a new genus. The co-occurrence of three specimens belonging to the same taxon could be interpreted as an example of a social behavior, compact nesting behavior, or possibly a sexual congregation.
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Submitted on : Friday, July 13, 2018 - 2:28:46 PM
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Pierre F.D.Cockx, Ryan C. Mckellar. A new genus and species of the subfamily Pemphredoninae (Hymenoptera: Crabronidae) in Upper Cretaceous amber from Myanmar. Comptes Rendus Palevol, Elsevier Masson, 2018, 17 (3), pp.153 - 157. ⟨10.1016/j.crpv.2017.10.004⟩. ⟨hal-01838584⟩

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