Priscaleclercera thaungi Jiang & Li, 2022

Xin, Yafei, Jiang, Tongyao, Yao, Zhiyuan & Li, Shuqiang, 2022, Twenty new spider species (Arachnida: Araneae) from Late Cretaceous Kachin amber (Myanmar), Zoological Systematics 47 (1), pp. 1-65 : 39-42

Priscaleclercera thaungi Jiang & Li , sp. nov. ( Figs 34–36 )

Holotype. Male (IZCAS-Ar42696Fo). Late Cretaceous amber from Hukawng Valley. No biotic syninclusions.

Etymology. The species name is a popular Burmese boy’s name and means “ten thousand”; noun in apposition.

Diagnosis. The new species can be distinguished from all other Priscaleclercera species by the shape of the sclerites. Sclerite 1 of the palp is a rounded apophysis. Sclerite 2 has a serrated margin.

Description. Male. Total length 1.16; carapace 0.52 long, 0.33 wide; opisthosoma 0.64 long, 0.18 wide. Left palp absent, left leg I, II absent, leg III: - (1.28 + - + - + 1.36 + 0.32), leg IV absent; right palp: 0.40 (0.19 + 0.08 + 0.13), right leg I: - (2.88 + 0.26 + - + - + -), leg II: - (2.49 + 0.18 + - + - + -), leg III: - (1.49 + - + - + - + -), leg IV: - (2.22 + 0.13 + - + - + -). Eyes not visible. Habitus as in Figs 35A–B . Carapace round, yellowish; clypeus yellow, slanted; chelicerae 0.16 long. Abdomen ( Figs 35A–B ) elongate. Anterior lateral spinnerets cylindrical, with three segments.

Palp ( Figs 34A–B , 36 ). Femur with at least four short macrosetae ventrally; cymbium longer than wide, with dense brown setae; cymbium with three macrosetae: one retrolateral long, and two preapical, short, subconical. Bulb with three sclerites apically. Sclerite 1 a rounded apophysis; sclerite 2 serrated; sclerite 3 strongly sclerotized, tip sharpened distally.

Figures

Figure 34. Priscaleclercera thaungi Jiang & Li, sp. nov., holotype male (IZCAS-Ar42696Fo), right palp. A. Retrolateral view; B. Apical view. Scale bars=0.05mm.

Figure 35. Priscaleclercera thaungi Jiang & Li, sp. nov., holotype male (IZCAS-Ar42696Fo), habitus, lateral view. Scale bars = 0.50mm.

Figure 36. Priscaleclercera thaungi Jiang & Li, sp. nov., holotype male (IZCAS-Ar42696Fo), right palp, retrolateral view. Scale bar =0.05mm.