Figs. 1–6 in Thalassaphorurini (Collembola: Onychiuridae) in Shandong Province, China, with description of two new species

Figs. 1–6. Thalassaphorura biquaternata sp. nov. 1. Dorsal chaetotaxy of body; 2. Ventral chaetotaxy of head; 3. Labium; 4. PAO; 5. Papillae, sensory rods, and sensory clubs of Ant. III sensory organ; 6. Chaetotaxy of Abd. II–VI sterna. Scale bars: 0.1 mm (Figs. 1, 2, 6), 0.01 mm (Figs. 3–5).