SEM images, head of Pselaphus heisei. (A) dorsal view; (B) ventral view; (C) lateral view. Abbreviations: ce, compound eye; fcl, frontoclypeal lobe; fhs, flattened hyaline setae; fp, frontal pouch; fr, frons; ge, gena; gs, gular sutures; lp, labial palp; lr, labrum; md, mandible; mf, median furrow; mp1–4, maxillary palpomere 1–4; mt, mentum; nr, neck region; occ, occipital constriction; pe, pedicellus; sc, scapus; smt, submentum; vt, vertex.

 
 
  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