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Ohlhoffiidae, a new Cretaceous family of basal parasitic wasps (Hymenoptera: Stephanoidea)

Abstract : A new family of stephanoid wasps is established based on Cretaceous amber inclusions and rock imprints. Ohlhoffiidae fam. nov. comprises four species in three genera: Ohlhoffia robusta gen. et sp. nov., and Myanmephialtites bashkuevi gen. et sp. nov., which are newly described and figured from mid-Cretaceous amber of northern Myanmar; and Cretephialtites pedrerae Rasnitsyn & Ansorge, 2000, and C.(?) hispanicus (Rasnitsyn & Martínez-Delclòs, 2000) comb. nov., transferred here from Karataus hispanicus, both from the Barremian of Spain. A key to the genera of the family is proposed, and we also discuss the shifting proportion of non-aculeate wasps between the Early Cretaceous and Cenozoic.
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Corentin Jouault, Alexandr Rasnitsyn, Vincent Perrichot. Ohlhoffiidae, a new Cretaceous family of basal parasitic wasps (Hymenoptera: Stephanoidea). Cretaceous Research, Elsevier, 2021, 117, pp.104635. ⟨10.1016/j.cretres.2020.104635⟩. ⟨insu-02935665⟩

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