Bezzia chilensis Spinelli & Ronderos, 2001, fourth instar larva a Head capsule detail, ventral view b Caudal segment, ventral view c Epipharynx, ventral view d Left mandible, ventral view. Dorsal comb (DC); epipharynx (epy); fossa mandibularis (MF); hypopharynx (hyp); mandible (MD); messors (MS); ventral comb (VC). Caudal segment chaetotaxy: i, inner setae; l1, first lateral seta; o, outer setae. Scale bars: 0.05 mm (a–c), 0.01 mm (d).