A generic classification of Xenidae (Strepsiptera) based on the morphology of the female cephalothorax and male cephalotheca with a preliminary checklist of species Author Benda, Daniel https://orcid.org/0000-0002-5729-0411 Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic & Department of Entomology, National Museum, Prague, Czech Republic benda.daniel@email.cz Author Pohl, Hans https://orcid.org/0000-0002-7090-6612 Institut fuer Zoologie und Evolutionsforschung, Friedrich-Schiller-Universitaet, Jena, Germany Author Nakase, Yuta Department of Biology, Faculty of Science, Shinshu University, Matsumoto, Japan Author Beutel, Rolf Institut fuer Zoologie und Evolutionsforschung, Friedrich-Schiller-Universitaet, Jena, Germany Author Straka, Jakub https://orcid.org/0000-0002-8987-1245 Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic text ZooKeys 2022 2022-04-07 1093 1 134 http://dx.doi.org/10.3897/zookeys.1093.72339 journal article http://dx.doi.org/10.3897/zookeys.1093.72339 1313-2970-1093-1 23B7070849A94681AC20494D06F98CCE D3A8D50FF61A5B61B8776D63EB0D3F4C Deltoxenos rueppelli (Kinzelbach, 1971a) comb. nov. Pseudoxenos rueppelli Kinzelbach 1971a : 272. Hosts. Delta fenestrale (Saussure, 1852) (as Delta fenestralis Saussure, 1852), Delta emarginatum (Linnaeus, 1758) (as Eumenes tinctor Christ, 1791 = E. maxillosus (De Geer, 1783)); Delta caffrum (Linnaeus, 1767) ( Benda et al. 2021 ). Distribution. Ethiopia ( Kinzelbach 1971a ); Tanzania ( Benda et al. 2021 ); Kenya; Namibia; Yemen (this study).