Guyanobius adocetus, third instar larva. (5) detail of clipeolabrum, dorsal view; (6) left antenna, dorsal view; (7) labium, dorsal view; (8) labium, ventral view. Scale bars: 0.05 mm.

  Part of: Archangelsky M, Rodriguez G, Torres PLM (2022) Testing the monophyly of Chaetarthriinae (Coleoptera, Hydrophilidae) and the phylogenetic position of Guyanobius with larval characters. Arthropod Systematics & Phylogeny 80: 229-242.