Review of Palpostilpnus Aubert (Hymenoptera, Ichneumonidae, Phygadeuontinae), with the description of ten new species

  • Alexey Reshchikov Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan
  • Bernardo F. Santos Department of Entomology, National Museum of Natural History, Washington DC
  • Jing-Xian Liu Department of Entomology, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong
  • Christophe Barthélémy Sai Kung
Keywords: Chiroticina, Townostilpnus, Oriental region, parasitoids, Malaise trap, geometric morpho-metrics

Abstract

The taxonomic limits of Palpostilpnus Aubert, 1961 are reviewed. The genus is characterized mainly by having a very elongated maxillary palp; head short and depressed, with mandible small and with distinct basal groove; ovipositor short and slender, needle-like. A total of seventeen species are recognized, of which ten are described as new: P. aki sp. nov., P. angka sp. nov., P. angkor sp. nov., P. hainanensis sp. nov., P. mangrovi sp. nov., P. pterodactylus sp. nov., P. ranui sp. nov., P. singaporensis sp. nov., P. tamasek sp. nov. and P. trifolium sp. nov. The combination Palpostilpnus rufinator (Aubert, 1961) stat. rev. is proposed. An illustrated key to the known species of the genus is provided.

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Published
2019-12-03
How to Cite
Reshchikov, A., Santos, B. F., Liu, J.-X., & Barthélémy, C. (2019). Review of Palpostilpnus Aubert (Hymenoptera, Ichneumonidae, Phygadeuontinae), with the description of ten new species. European Journal of Taxonomy, (582). https://doi.org/10.5852/ejt.2019.582