Nipponoxenos vespularum Kifune & Maeta, male, cephalotheca, photomicrographs A frontal view B lateral view. Abbreviations: a – vestigial antenna, cl – clypeus, coe – compound eye, gn – gena, mxb – maxillary base.

  Part of: Benda D, Pohl H, Nakase Y, Beutel R, Straka J (2022) A generic classification of Xenidae (Strepsiptera) based on the morphology of the female cephalothorax and male cephalotheca with a preliminary checklist of species. ZooKeys 1093: 1-134.