Details of mature larval head of Algon sphaericollis. A nasale; B glandular pit; C anterior margin of nasale; D, E epipharynx; F dorsal view of hypopharynx; G apex of labial palp; H microtrichia; I, dorsal view of ligula; J ventral view of hypopharynx; K ventral view of ligula; M setae of prementum; L pore of labial palp. — Abbreviations: L, labial setae; Fd, frontal dorsal setae; Fl, frontal lateral setae; Gp, glandular pit; Sm, sensillum; Mt, median tooth, Pmt, paramedian tooth; Lt, lateral teeth; Og, olfactory organ; Cp, cuticular process; Lg, ligula; Lp, labial palp; I–III, segments of labial palp; Pmnt, prementum.

 
 
  Part of: Li C, Tang L (2024) Phylogenetic analysis of rove beetle subfamily Staphylininae (Coleoptera: Staphylinidae) based on the morphology of preimaginal stages, with description of larva and pupa of Algon sphaericollis. Arthropod Systematics & Phylogeny 82: 629-657. https://doi.org/10.3897/asp.82.e106391