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Original Articles

The first Praesiricidae (Hymenoptera) from Northeast China

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Pages 148-153 | Accepted 24 Sep 2009, Published online: 31 May 2013
 

Abstract

A new subfamily Rudisiricinae Gao, Rasnitsyn, Ren & Shih, n. subfam. and a new genus Rudisiricius Gao, Rasnitsyn, Ren & Shih, n. gen. with three new species R. belli Gao, Rasnitsyn, Ren & Shih n. sp., R. crassinodus Gao, Rasnitsyn, Ren & Shih, n. sp., and R. celsus Gao, Rasnitsyn, Ren & Shih, n. sp. are described and illustrated from the family Praesiricidae. The type specimens were collected from the Late Jurassic to Early Cretaceous Yixian Formation, northeastern China. The new subfamily also includes Aulidontes Rasnitsyn from the Upper Jurassic of Karatau in Kazakhstan. This is the first record of Praesiricidae in China. These well-preserved nearly-complete new fossils reported here provide additional material and structure characters about this family, which helps filling some gap in the evolution of Lower Hymenoptera.

Résumé

Le premier Praesiricidae (Hymenoptera) du nord-est de la Chine. Une nouvelle sous- famille Rudisiricinae Gao, Rasnitsyn, Ren & Shih et un nouveau genre Rudisiricius Gao, Rasnitsyn, Ren & Shih, avec trois espèces nouvelles R. belli Gao, Rasnitsyn, Ren & Shih, R. crassinodus et R. celsus sont décrits de la famille Praesiricidae et illustrés. Les spécimens types ont été collectés dans la formationYixian (Jurassique supérieur - Crétacé inférieur) du Nord Est de la Chine. La nouvelle sous- famille comprend aussi Aulidontes Rasnitsyn du Jurassique supérieur de Karatau au Kazakhstan. Ces taxons sont les premiers Praesiricidae connus de Chine. Ces fossiles bien conservés et presque complets fournissent de nouvelles informations sur la morphologie de cette famille, qui aide à combler des lacunes dans l’évolution des Hymenoptera ‘basaux’.

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