SEM images, antenna (A), maxillary palp (B), apical region of palpomere 4 (C), and spatulate projection on apical region of palpomere 4 (D) of P. heisei. Abbreviations: fcl, frontoclypeal lobe; fl1–9, flagellomeres 1–9; mp2–4, maxillary palpomeres 2–4; pe, pedicellus; sap, sensory appendage; sc, scapus.

 
 
  Part of: Beutel RG, Luo X-Z, Yavorskaya MI, Jałoszyński P (2021) Structural megadiversity in leaf litter predators - the head anatomy of Pselaphus heisei (Pselaphinae, Staphylinidae, Coleoptera). Arthropod Systematics & Phylogeny 79: 443-463. https://doi.org/10.3897/asp.79.e68352