Figs 3–7 in The last instar larva and pupa of Ora depressa (Coleoptera: Scirtidae), a marsh beetle with underwater pupation

Figs 3–7. Head morphology and chaetotaxy of the last instar larva of Ora depressa (Fabricius, 1801). 3 – head capsule, dorsal aspect, showing long hair-like setae (squares with a cross), short hair-like setae (squares with dot), club-like setae (squares), ungrooved scale-like setae (circles with dot), and pore-like sensilla (circles); FR = frontale; PA = parietale. 4 – close-up of the square area indicated in figure 3. 5 – close-up of the rectangular area indicated in figure 3. 6 – club-like seta. 7 – grooved scale-like seta. Scale bars: 3 = 0.5 mm; 4 = 0.05 mm; 5–7 = 0.01 mm.