Tritomurus

Figures 1–3. Tritomurus veles sp. n. (optical stereomicroscope). 1, 2 Habitus (scale 1 mm) 3 Head (scale 0.2 mm).

Figures 22–25. Tritomurus veles sp. n. (SEM). 22 Leg I, with ventro-basal macrochaetae of femur and ventral macrochaetae of trochanter (scale 100 μm); the second visible macrochaetae of femur belongs to other leg 23 Claws of legs I (scale 100 µm) 24 Claw of leg I, basal part in dorsal view (scale 10µm); e, thin distal tenent hairs 25 Bifurcate empodial appendage of leg II (scale 10 μm).

Figures 26–27. Tritomurus veles sp. n. 26 Dental spines formula in a female specimen: 4/2,4,1,4,1 (lower, right dens) and 5/1,1,1,1, 2,1,2,1 (upper, left dens) 27 Mucro in two different specimens.

Figures 28–33. Tritomurus veles sp. n. (SEM). 28 Manubrium in dorsal view (scale 100 μm) 29 Manubrium in ventral view (scale 100 μm) 30 Manubrium ventro-distally and dens ventro-basally (scale 10 μm) 31, 32 Dental spines (scale 10 μm) 33 Mucro (scale 10 μm).

Figures 34–35. Tritomurus veles sp. n. (34, SEM; 35, optical microscope). 34 Sternite of Abd.V with genital plate (scale 100μm); arrow points to minute lateral S-microchaeta 35 Internal parasitic larva (Nematomorpha) (scale 20 µm).

Figure 4. Tritomurus veles sp. n., head in lateral view (SEM, scale 100 μm).

Figure 5. Tritomurus veles sp. n., body (SEM, scale 400 μm).

Figures 6–9. Tritomurus veles sp. n. (SEM). 6 Scales and ordinary mesochaetae on Th.II (scale 10 μm) 7 Scales, mesochaetae and macrochaeta on Abd.III (scale 10 µm) 8 Bothriotrichal area of Th.II, illustrating the presence of the four main chaetal types: bothriotricha, mesochaetae, S-chaetae (S) and scales (scale 10 µm) 9 Ventral tube in anterior view (scale 100 µm).

Figures 10–13. Tritomurus veles sp. n. (10–12, SEM; 13, optical microscope) 10 Lateral view of Ant.I, with scales, mesochaetae, and latero-distal short S-microchaetae at left (scale 10 µm) 11 Ant.III proximally (scale 10 μm) (S, S-chaetae) 12 Ant.IV (scale 10 μm) (S, S-chaetae) 13 Apical part of Ant.IV (scale 10 μm).

Figures 14–17. Tritomurus veles sp. n. (SEM) 14 Labrum (scale 10 μm) 15 Detail of labral chaetae with swollen socket (scale 10 µm) 16 Mouth (scale 10 μm) 17 ventro-distal brush of labrum (scale 10 μm).

Figures 18–19. Tritomurus veles sp. n. 18 Outer maxillary lobe 19 Left and right mandibles.

Figure 20. Tritomurus veles sp. n., macrochaetotaxic and bothriotrichal pattern; plain line circles, macrochaetae; dotted line circles, small macrochaetae or large mesochaetae; lat, lateral group of Abd.IV; X, bothriotricha) (scale 400 μm).

Figure 21. Tritomurus veles sp. n. Tibiotarsus and claw of legs I, II, III from upper to lower.