Abdominal segments of Algon sphaericollis. D–L: 1st larval instar; A–C: mature larva. A, D left abdominal sternites I and II; B, E left side of abdominal segment I and II, lateral; C, F right abdominal tergite I and II; G–K types of setae of abdominal sternite; G simple micro seta; H club-shaped seta; I long frayed seta; J long simple seta; K long, frayed seta of abdominal tergite; L spiracle of abdominal segment II. — Abbreviations: Te, tergite; Sn, sternite; Pt, paratergite; Ps, parasternite; Sp, spiracle; Ptg, pretergal gland. I, II, segments. 1–26, code of setae; a–f, code of pores.

 
 
  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