Head of Algon sphaericollis larva. A–H: mature larva; I–K: 1st instar larva. A, I dorsal view; B, K ventral view; J lateral view; C–F microstructure on dorsal head; G–H simple setae on head. — Abbreviations: Na, nasale; Ep, epicranial part, Pa, posterior part, Gl, epicranial gland; Ap, apotome; Tp, tentorial pit; Des, dorsal ecdysial suture; Ves, ventral ecdysial suture; Ed, epicranial dorsal seta; El, epicranial lateral seta; Em, epicranial marginal seta; V, ventral seta; Vl, ventral lateral seta; Vm, ventral marginal seta; P, posterior seta.

 
 
  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