Agraphydrus pseudoniger sp. nov.: A. Clypeus; B. Clypeus; C. Antennae; D. Maxillary palpi; E. Mentum; F. Mesoventrite; G. Ventrite 5; H. Profemora; I. Mesofemora; J. Metafemora.

  Part of: Yang Z-m, Jia F, Jiang L, Guo Q (2021) Four new species of Agraphydrus R├ęgimbart, 1903 with additional faunistic record from China (Coleoptera, Hydrophilidae, Acidocerinae). Deutsche Entomologische Zeitschrift 68(1): 189-205.