Cercyon analis third instar larvae

Morphometry. Measurements and ratios in Table 1.

Chaetotaxy. Head capsule (Figs. 20–22). Frontale usually without secondary sensilla (specimen illustrated with one secondary seta on left side near FR5–6) (Fig. 20); gFR1 with eight setae. Each parietale with five secondary sensilla distributed as in second instar larvae; setae PA8, PA9, PA16 and PA21 proportionally longer than in first instar larvae. Antenna (Fig. 23). Without secondary sensilla, sensory appendage (SE1) proportionally shorter than that of second instar larva. Mandibles (Figs. 24–25). Each mandible with three secondary setae, distributed as in second instar larvae. Maxilla (Figs. 26–27). Stipes without secondary setae, similar to that of second instar larva. Labium (Figs. 21, 28). Without secondary sensilla, LA6 proportionally longer.