Priscaleclercera kani 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 : 30-32

Priscaleclercera kani Jiang & Li , sp. nov. ( Figs 25–27 )

Holotype. Male (IZCAS-Ar42692Fo). Late Cretaceous amber from Hukawng Valley. No biotic syninclusions.

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

Diagnosis. This species resembles P. furcata (see Wunderlich, 2020: 101, figs 106–107, photos 18–19) by the shape of sclerite 3 ( Figs 25A–D ) on the bulb but can be distinguished by the pointed apophysis of sclerite 1 ( Figs 25A–D ) and the broom-shaped apex of sclerite 2 ( Figs 25A–D ).

Description. Male. Total length 0.98; carapace 0.36 long, 0.31 wide; opisthosoma 0.62 long, 0.23 wide. Left palp: 0.38 (0.20+ 0.07 + 0.11), left leg I-IV absent; right palp: 0.50 (0.24 + 0.08 + 0.18), right leg I: - (2.69 + 0.20 + 1.80 + - + -), leg II: - (2.41 + 0.20 + 2.56 + 2.25 + -), leg III: 4.58 (1.55 + 0.22 + 1.39 +1.01 + 0.41), leg IV: - (2.01 + 0.12 + - + - + -). Eye sizes and interdistances: ALE 0.05, PLE 0.04, PME 0.04, PLE–PME 0.04. Habitus as in Figs 26A–B . Carapace round ( Figs 26A–B ); six eyes ( Fig. 26C ) almost ovoid, ALE> PLE = PME; labium not visible. Abdomen elongate, 0.25 long, 0.23 wide. Anterior lateral spinnerets ( Fig. 26D ) cylindrical, with three segments, 0.09 long, 0.02 wide.

Palp ( Figs 25A–D , 27 ). Femur with at least three short macrosetae ventrally; cymbium longer than wide, with dense brown setae; cymbium with three macrosetae: one retrolateral long and curved with a hook, and two preapical, short, subconical. Bulb longer than wide, with an oval basal portion and three sclerites apically. Sclerite 1 appressed to sclerite 2, with a pointed apophysis medially. Sclerite 2 rough, with a broom-shaped tip. Sclerite 3 strongly sclerotized with an acicular apophysis.

Figures

Figure 25. Priscaleclercera kani Jiang & Li, sp. nov., holotype male (IZCAS-Ar42692Fo).A. Right palp, retrolateral view; B–D. Left palp (B–C. Retrolateral view; D. Prolateral view). Scale bars=0.05mm.

Figure 26. Priscaleclercera kani Jiang & Li, sp. nov., holotype male (IZCAS-Ar42692Fo). A–B. Habitus (A. Ventral view; B. Dorsal view); C. Ocular area, dorsal view; D. Spinnerets, ventral view. Scale bars: A–B=0.50mm; C–D=0.05mm.

Figure 27. Priscaleclercera kani Jiang & Li, sp. nov., holotype male (IZCAS-Ar42692Fo), left palp, retrolateral view. Scale bar = 0.10mm.