Details of head of Algon sphaericollis. F, H–M: 1st larval instar, A–E, G: mature larva. A, G right maxilla, ventral view; B digitiform sensory appendage on segment III of maxilla; C mala of left maxilla, ventral view; D apex of maxilla; E apex of mala; F–H dorsal view of left antenna; I solenidium of segment IV; J sensory appendage of segment III; K dorsal view of right mandible L frontal sensillum; M lateral seta and lateral sensillum. — Abbreviations: I–IV, antennal or maxillary segments; Cd, cardo; St, stipes; Lp, labial palp; Ma, mala; Mp, maxillary palp; Pf, palpifer; Ds, digitiform sensory appendage; Sa, sensory appendages; So, solenidium; L1–2, lateral seta; Fsm, frontal sensillum; Lsm, lateral sensillum.

 
 
  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