Litarachna curtipalpis Smit, 2003

Figure 1 Locality and habitat of three pontarachnid mites, littoral of Lingshui Li Autonomous County, Hainan Province, P. R. China (18.41°N, 110.06°E, 2.8 m a.s.l.).

Figure 2 Micrographs ofLitarachna curtipalpisSmit, 2003 habitus: (A) ♂ dorsal view; (B) ♂ ventral view; (C) ♀ dorsal view; (D) ♀ ventral view; (E) ♂ dorsal view; (F) ♀ dorsal view. Scale bars = 200 μm.

Figure 3 Litarachna curtipalpis♂ (HN-PO-2025021701). Optical microscope photographs: (A) Dorsal view of idiosoma; (B) Ventral view of idiosoma; (C) Lateral view of idiosoma; (D) Eye lenses; (E) Genital field; (F) Lateral view of gnathosoma; (G) Ventral view of gnathosoma; (H) Lateral view of palp; (I) Lateral view of chelicera; (J) Ejaculatory complex. Scale bar A–C = 200 μm; scale bars D, E, F–J = 50 μm.

Figure 4 Litarachna curtipalpisA–C, Litarachna thetisD–G, Pontarachna australisH–I, SEM photographs: (A) ♂ genital field; (B) ♀ coxal groups; (C) ♀ V3; (D) ♂ genital field; (E) ♀ genital field; (F) ♀ medial chelicera claw; (G) ♀ lateral chelicera claw; (H) ♀ gnathosoma + cheliceral claws; (I) ♀ terminal of cheliceral claws.

Figure 5 Litarachna curtipalpis, (A–F) ♀, (G–I) ♂, SEM photographs, captions as shown in each photos.

Figure 6 Litarachna curtipalpis♂, characters of palps, SEM photographs, captions as shown in each photos.

Figure 7 Litarachna curtipalpis, characters of I–II-L, (A–C, G–I) ♂, (D–F, J–L) ♀, SEM photographs, captions as shown in each photos.

Figure 8 Litarachna curtipalpis, characters of IV-L, (A–E) ♂, (F–I) ♀, SEM photographs, captions as shown in each photos.

Figure 9 Litarachna curtipalpis♀ (HN-PO-2025021705). Optical microscope photographs: (A) Dorsal view of idiosoma; (B) Ventral view of idiosoma; (C) Lateral view of idiosoma; (D) Eye lenses; (E) Genital field; (F) Lateral view of palp; (G) Lateral view of gnathosoma; (H) Ventral view of gnathosoma; (I) Lateral view of chelicera. Scale bar A–C = 200 μm; scale bars D, E, F–I = 50 μm.

Figure 10 Litarachna curtipalpis♀, characters of palps, SEM photographs, captions as shown in each photos.

Figure 1 Locality and habitat of three pontarachnid mites, littoral of Lingshui Li Autonomous County, Hainan Province, P. R. China (18.41°N, 110.06°E, 2.8 m a.s.l.).

Figure 24 Paratypes from Naturalis Biodiversity Center, (A–B) Litarachna curtipalpis♀, (C–D) Pontarachna australis♀, optical microscope photographs: (A) Lateral view of palp; (B) Lateral