Onychiuroidea

Figures 24–31.Sensillonychiurus amuricus sp. n. 24 dorsal chaetotaxy 25 Ant.3–4 26–27 sensorial elements of Ant.3 organ, different view 28 PAO and adjacent pso 29–30 tibiotarsus of Lg.3, different views 31 Abd.6. Scales: 24 – 0.1 mm, 25–31 – 0.01 mm.

Figure 1.Thalassaphorura problematica sp. n. A dorsal side of body B ventral side of Abd. I–VI C PAO D clubs and papillae of AIIIO E Labium F Antenna. Scales: 0.1 mm (A–B, F), 0.01 mm (C–E).

Figures 1–4.Tullbergia alcirae sp. n. 1 antennal segments I to IV with details of sensorial structures 2 ventral tube 3 female genital plate 4 femur and tibiotarsus III.

Figure 3.Onychiurus heilongjiangensis sp. n. A dorsal side of body B PAO C Ant. I–IV D Ant. III sensory organ E antennal tip F labium G distal part of leg III H Abd. II–VI sterna. Scale bars: 0.1 mm (A, C, G–H), 0.01 mm (B, D–F).

Figure 2.Thalassaphorura problematica sp. n. A dorsal side of head B ventral side of head C Abd. IV–VI terga D ventral tube (showing male ventral organ) E distal part of leg III F furca G anal valves. Scales: 0.1 mm (A–C and F–G), 0.01 mm (D–E)

Figures 5–8.Tullbergia alcirae sp. n. 5 dorsal head and thoracic chaetotaxy 6 male genital plate 7 right half of labial and postlabial quetotaxy 8 dorsal abdominal cheatotaxy.

Figure 4.Onychiurus heilongjiangensis sp. n. A ventral side of head B anal valves C Abd. IV sternum. Scale bars: 0.1 mm (A–C).