A new species of the genus Paraxenos Saunders, 1872 (Strepsiptera: Xenidae) from Bembix digger wasps (Hymenoptera: Bembicidae) and a redescription of Paraxenos hungaricus (Székessy, 1955)

  • Daniel Benda Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic https://orcid.org/0000-0002-5729-0411
  • Hans Pohl Institut für Zoologie und Evolutionsforschung, Friedrich-Schiller-Universität, Jena, Germany
  • Yuta Nakase Department of Biology, Faculty of Science, Shinshu University, Matsumoto, Japan
  • Rolf Beutel Institut für Zoologie und Evolutionsforschung, Friedrich-Schiller-Universität, Jena, Germany
  • Jakub Straka Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
Keywords: wasp parasite, taxonomy, cephalothorax, cephalotheca, morphology

Abstract

A new species of Strepsiptera of the genus Paraxenos Saunders, 1872 (Xenidae) from the United Arab Emirates is described. It was recorded from the host species Bembix kohli Morice, 1897 and represents the first occurrence of Paraxenos from Bembix Fabricius, 1775 in the Afrotropical region. A detailed redescription of the female cephalothorax of Paraxenos hungaricus (Székessy, 1955) is provided, together with the first description of the male cephalotheca. The holotype of Paraxenos krombeini Kifune & Hirashima, 1987 was redescribed. Additionally, a key for parasites of Bembix among Paraxenos species is provided based on characters of the female cephalothorax and male cephalotheca. The distribution and conservation status of Paraxenos spp. on Bembix are also discussed.

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Published
2023-08-01
How to Cite
Benda, D., Pohl, H., Nakase, Y., Beutel, R., & Straka, J. (2023). A new species of the genus Paraxenos Saunders, 1872 (Strepsiptera: Xenidae) from Bembix digger wasps (Hymenoptera: Bembicidae) and a redescription of Paraxenos hungaricus (Székessy, 1955). European Journal of Taxonomy, 885(1), 134–155. https://doi.org/10.5852/ejt.2023.885.2197
Section
Research article