A new mesoserphid wasp from the Middle Jurassic of northeastern China (Hymenoptera, Proctotrupoidea)

  • Yan Zheng Institute of Geology and Paleontology, Linyi University, Shuangling Rd., Linyi 276000
  • Jun Chen Institute of Geology and Paleontology, Linyi University, Shuangling Rd., Linyi 276000
DOI: https://doi.org/10.5852/ejt.2017.379
Keywords: Mesoserphidae, new taxon, taxonomy, Daohugou, Jiulongshan Formation

Abstract

A new genus and species of Mesoserphidae (Hymenoptera), Juraserphus modicus gen. et sp. nov., is described based on a well-preserved fossil specimen from the Middle Jurassic Jiulongshan Formation of northeastern China. It is characterized by the following forewing features: the forking of Rs+M located approximately one-third of the distance between 1m-cu and 2r-rs, both 1cu-a and 2cu-a antefurcal; 1-M more than twice as long as 1m-cu and hind wing with cells r and rm closed. In addition, it has a short ovipositor, only extending slightly beyond the metasomal apex. Its new morphological characters broaden the diversity of Mesoserphidae in the Mesozoic and provide new insights into the evolution and relationships of Mesoserphidae.

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Published
2017-12-14
How to Cite
Zheng, Y., & Chen, J. (2017). A new mesoserphid wasp from the Middle Jurassic of northeastern China (Hymenoptera, Proctotrupoidea). European Journal of Taxonomy, (379). https://doi.org/10.5852/ejt.2017.379
Issue
No. 379 (2017): A new mesoserphid wasp from the Middle Jurassic of northeastern China (Hymenoptera, Proctotrupoidea)
Section
Palaeontology
Copyright (c) 2017 Yan Zheng, Jun Chen

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