Olivierus longichelus (Sun & Zhu, 2010)

Tang, Victoria, Liu, Zhenbang, Graham, Matthew R., Fet, Victor, Kovařík, František & Šťáhlavský, František, 2024, Revision of the genus Olivierus in Xinjiang, China, with comments on Mesobuthus thersites (Scorpiones: Buthidae), Euscorpius 383, pp. 1-58 : 21

Olivierus longichelus (Sun & Zhu, 2010)

( Figures 1–48 , 97–98 , 101–105 , 115–116, 119 , 132–139 , 150–156 ; Tables 1–5)

Figures

Figures 1–4: Olivierus longichelus (Sun & Zhu, 2010), habitus under white light. Figures 1–2. Male from Jinghe County, in dorsal (1) and ventral (2) views. Figures 3–4. Female from Bole City, in dorsal (3) and ventral (4) views. Scale bar = 20 mm.

Figures 5–8: Olivierus longichelus (Sun & Zhu, 2010), carapace of male from Jinghe County (5, 7) and female from Bole City (6, 8). Figures 5–6. Under white light. Figures 7–8. Under UV light. Scale bars = 5 mm.

Figures 9–10. Olivierus longichelus (Sun & Zhu, 2010), tergites of male from Jinghe County (9) and female from Bole City (10) under white light. Scale bars = 5 mm.

Figures 11–12. Olivierus longichelus (Sun & Zhu, 2010), tergites of male from Jinghe County (11) and female from Bole City (12) under UV light.

Figures 13–16: Olivierus longichelus (Sun & Zhu, 2010), pectines of male from Jinghe County (13, 15) and female from Bole City (14, 16). Figures 13–14. Under white light. Figures 15–16. Under UV light. Scale bars = 5 mm.

Figures 17–20: Olivierus longichelus (Sun & Zhu, 2010), sternites VI–VII of male from Jinghe County (17, 19) and female from Bole City (18, 20). Figures 17–18. Under white light. Figures 19–20. Under UV light. Scale bars = 5 mm.

Figures 21–28: Olivierus longichelus (Sun & Zhu, 2010), metasoma V in lateral (21, 25) and ventral (22, 26) views under white light, metasoma V in ventral view (23, 27) and metasoma II–III in lateral view under UV light (24, 28). Figures 21–24. Male from Jinghe County. Figures 25–28. Female from Bole City. Scale bars = 2 mm (21–22, 25–26) and 5 mm (24, 28).

Figures 29–42: Olivierus longichelus (Sun & Zhu, 2010), telson in lateral view (29, 36), chelicera in dorsal (31, 37) and ventral (30, 38), right pedipalp chela in dorsal (32, 39) and external (33, 40) views under white light, and dentate margin of right movable finger under white (34, 41) and UV (35, 42) light. Figures 29–35. Male from Jinghe County. Figures 36–42. Female from Bole City. Scale bars = 5 mm (29, 33, 36, 40), 2 mm (34, 41) and 1 mm (31, 37).

Figures 43–48: Olivierus longichelus (Sun & Zhu, 2010), right pedipalp patella (43, 46) and femur (44, 47) in dorsal view under UV light, and telo- and basitarsi of right 3rd leg in retrolateral view under white light (45, 48). Figures 43–45. Male from Jinghe County. Figures 46–48. Female from Bole City. Scale bars = 2 mm.

Figures 97–100: Comparison of hemispermatophores between Olivierus longichelus (Sun & Zhu, 2010) and Olivierus przewalskii (Birula, 1897) in convex (97, 99) and concave (98, 100) aspects under white light. Figures 97–98. Male O. longichelus from Jinghe County. Figures 99–100. Male O. przewalskii from Ghulja (Yining) County. Scale bar = 5 mm.

Figures 101–110: A juvenile female Olivierus longichelus from Bole City, presumably 6th instar (crude total length ca. 51 mm, pretergites concealed), comparing with illustrations of the holotype female O. longichelus from Jinghe County from the original description (modified from Sun & Zhu (2010)). Figures 101–105. Habitus under white light (101), carapace (102), pedipalp chela in external view (103), metasoma V in ventral (104) and external (105) views under UV light. Figures 106–110. Original illustration of holotype female O. longichelus: carapace (106), pedipalp chela in external view (107), metasoma V in ventral (108) and external (109) views, and habitus (110). Scale bar = 10 mm.

Figures 115–119: Observations under captive condition. Figures 115–118. Behavioral response tests conducted on live specimens: tweezer clamping on metasoma and dorsoventrally on mesosoma. Figures 115–116. Male (115) and female (116) O. longichelus showed resistance and aggression. Figures 117–118. Female (117) and male (118) O. przewalskii remained immobile. Figure 119. Spontaneously clustered O. longichelus (left; including one M. thersites) and O. przewalskii (right) observed under captive condition at night, and a case of cannibalism in O. longichelus (middle).

Figures 132–135: Selected Olivierus longichelus specimens in vivo habitus. Figures 132–133. Adult males from Jinghe County, showing different colorations. Figures 134–135. Adult female (134) and male (135) from Bole City.

Figures 136–139: Selected Olivierus longichelus specimens in vivo habitus. Figure 136. Adult male from Ghulja (Yining) County. Figure 137. Adult male from Yarkant (Shache) County. Figures 138–139. Adult (138) and subadult (139) males from Makit County.

Figures 150–151: Additional Olivierus longichelus populations used for DNA sequencing. Figure 150. Juvenile male from Korgas County (left) and adult male from Khorgos City (right). Figure 151. Adult male from Shawan City (left) and adult female from Wujiaqu City (right).

Figures 152–154. Olivierus longichelus from Korgas County (152–153) and its natural habitat (154). Photo:Yizun Wang.

Figures 155–156: Comparison between Olivierus longichelus, O. przewalskii and Mesobuthus thersites (left to right). Figure 155. Adult females. Figure 156. Adult males.