Dipoena complexa, Gao & Li, 2014

Gao, Cai-Xia & Li, Shu-Qiang, 2014, Comb-footed spiders (Araneae: Theridiidae) in the tropical rainforest of Xishuangbanna, Southwest China, Zoological Systematics 39 (1), pp. 1-135 : 41-43

Dipoena complexa sp. nov. ( Figs 33–35 )

Holotype ♂, China, Yunnan, Xishuangbanna, Menglun Nature Reserve , secondary tropical montane evergreen broad-leaved forest (21º54.767'N, 101º11.431'E), 16–31 February 2007, Guo Zheng leg.

Paratypes: 1♂, Menglun Nature Reserve , secondary tropical montane evergreen broad-leaved forest (21º54.813'N, 101º12.634'E), 1–15 January 2007, Guo Zheng leg. ; 1♂, Mengla County, Menglun Town , rubber plantation (about 20 years) (21º54.684'N, 101º16.319'E), 4–11 May 2007, Guo Zheng leg. ; 2♂, Menglun Nature Reserve , secondary tropical montane evergreen broad-leaved forest (21º54.767'N, 101º11.431'E), 19–26 May 2007, Guo Zheng leg. ; 2♂, Mengla County, Menglun Town , Paramichelia baillonii plantation (about 20 years) (21º53.823'N, 101º17.072'E), 10–20 June 2007, Guo Zheng leg. ; 1♂, Mengla County, Menglun Town , Paramichelia baillonii plantation (about 20 years) (21º54.200'N, 101º16.923'E), 1–17 February 2007, Guo Zheng leg.

Etymology. The specific name derives from the Latin adjective complexus and means encircled, in reference to the conductor long and curved.

© Zoological Systematics, 39 (1): 1–135

Diagnosis. The new species is similar to D. yutian , but can be distinguished by the tegular apophysis with a branch; conductor long, curved and protruding ventrally.

Male (measurements of holotype). Total length 1.95. Prosoma 0.88 long, 0.73 wide, high, columned, yellow, with grey stripes, dorsal grooves in middle. Sternum 0.58 long, 0.45 wide, yellow to grayish, with setae. Opisthosoma 1.05 long, 1.03 wide, grey, with white striae, without colulus. Eye measurements: AME 0.10, ALE 0.07, PME 0.08, PLE 0.10, AME-AME 0.10, AME-ALE 0.06, PME-PME 0.05, PME-PLE 0.09. Clypeus height about 7.50 times AME diameter, yellow. Chelicerae: pale with dark spots, 4 strong short spines, without tooth; fangs long and slender. Endites: 0.20 long, 0.13 wide, yellow with brown pro-edges. Labium fused with sternum, 0.04 long, 0.15 wide, with 4 setae, yellow. Leg measurements: I 2.67 (0.88, 0.18, 0.60, 0.63, 0.38); II 2.47 (0.80, 0.28, 0.50, 0.61, 0.28); III 2.17 (0.68, 0.25, 0.43, 0.50, 0.31); IV 2.87 (0.93, 0.31, 0.56, 0.69, 0.38). Leg I pale yellow, femur, patella and tibia with grey rings; tibia with 2 spines. Legs II–IV similar to leg I. Pedipalpus ( Figs 33A–B , 34A–B , 35A–D ): tibia yellow, with 2 trichobothria; cymbium yellow, with black spots; paracymbium hooded; subtegulum broad; tegulum covered with membrane; median apophysis smooth without protrusion; tegular apophysis with branch; conductor long, curved to ventral side, with striae on tip; embolus long, slender, largely covered by base.

Variation. Male paratypes. Total length 1.45–1.75; prosoma 0.80–0.88 long, 0.69–0.73 wide; sternum 0.43–0.48 long, 0.43–0.48 wide; opisthosoma 0.68–1.00 long, 0.65–0.85 wide.

Female. Unknown.

© Zoological Systematics, 39 (1): 1–135

© Zoological Systematics, 39 (1): 1–135 Distribution. Only known from type locality (Yunnan).

Figures

Fig. 33. Dipoena complexa sp. nov., holotype male. A. Pedipalpus, prolateral view; B. Pedipalpus, retrolateral view. Scale bar = 0.10mm.

Fig. 34. Dipoena complexa sp. nov., holotype male. A. Pedipalpus, ventral view; B. Embolus, ventral view. Scale bars = 0.10mm.

Fig. 35. Dipoena complexa sp. nov., holotype male. A. Pedipalpus (cymbium removed), ventral view; B. Pedipalpus, ventral view; C. Pedipalpus, prolateral view; D. Pedipalpus, retrolateral view. Scale bars = 0.10 mm.