Pontarachna australis Smit, 2003

LiK, Hai-Tao, K, Harry Smit, ZhanK, Bao-Xiang, JinK, Dao-Chao & K, Jian-Jun Guo, 2025, A comprehensive morphological descriptions of three marine water mites (Acari: Hydrachnidia: Pontarachnidae) from Hainan Island, China, Acarologia 65 (3), pp. 786-814 : 799

Pontarachna australis Smit, 2003 ( Figs 20–23 )

Material examined

1♂, 1♀, Lingshui Li Autonomous County, Hainan Province, P. R. China ( 18.41°N, 110.06°E, 2.8 m a.s.l.) ( Fig. 1A ), leg. Hai-Tao Li & Lu-Ping Zhao, 17-II-2025, Slides No. HN-PO-2025021713–2025021714.

Figures

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 20 Pontarachna australis♀ (HN-PO-2025021714). 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 chelicera. Scale bar A–C = 200 μm; scale bars D, E, F–G = 50 μm.

Figure 21 Pontarachna australis♀, characters of palps, SEM photographs, captions as shown in each photos.

Figure 22 Pontarachna australis♀, characters of I–IV-L, SEM photographs, captions as shown in each photos.

Figure 23 Pontarachna australis♂ (HN-PO-2025021713). 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 chelicera; (H) Ejaculatory complex. Scale bar A–C = 200 μm; scale bars D, E, F–H = 50 μm.