Takachihoa lamellaris, Tang & Li, 2010

Tang, Guo & Li, Shuqiang, 2010, Crab spiders from Xishuangbanna, Yunnan Province, China (Araneae, Thomisidae) 2703, Zootaxa 2703, pp. 1-105 : 84-86

Takachihoa lamellaris sp. nov.

Figs 63–65

Type material. Holotype: ♂, CHINA: Yunnan, Xishuangbanna, Mengla County, Menglun Town , Menglun Nature Reserve , Lvshilin Forest Park , Limestone tropical seasonal rain forest (N21º54.705', E101º16.898', 656 m), 13 November 2009, leg. G. Tang and Z.Y. Yao (Tang-Yao_No.4).

Paratypes: CHINA: Yunnan, Xishuangbanna, Mengla County, Menglun Town , Menglun Nature Reserve , leg. G. Tang and Z.Y. Yao: 7 ♀, same data as holotype ; 3 ♀, same data as Tang-Yao _ No 4 (Tang-Yao _ No. 5) ; 8 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.609', E101º16.871', 633 m), 14 November 2009 ( Tang-Yao _ No. 6) ; 3 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.614', E101º16.890', 640 m), 14 November 2009 ( Tang-Yao _ No. 7) ; 2 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.705', E101º16.898', 656 m), 15 November 2009 ( Tang-Yao _ No. 8) ; 10 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.710', E101º16.941', 652 m), 16 November 2009 (Tang- Yao _ No. 10) ; 2 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.714', E101º16.935', 660 m), 16 November 2009 ( Tang-Yao _ No. 11) ; 2 ♀, Tropical evergreen rainforest (N21º55.139', E101º16.295', 523 m), 30 November 2009 (Tang-Yao _ No. 35) . 1 ♀, G213 roadside, low evergreen forest (N21º53.794', E101º17.152', 594 m), 27 November 2009 (Tang-Yao _ No. 29) ; 1 ♀, Valley tropical seasonal rainforest (N21º56.206', E101º16.204', 560 m), 1 December 2009 (Tang-Yao _ No. 37) ; 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.614', E101º16.880', 642 m), 4 December 2009 ( Tang-Yao _ No. 42) .

Etymology. The specific name comes from the Latin word lamellaris (lamella-shaped), referring to the shape of distal of right ramus in VTA (top view), adjective.

Diagnosis. This new species can be distinguished from other members of this genus by the small body size and the shape of the VTA.

Description. Male (holotype measured): Total length 2.50. Prosoma 1.25 long, 1.30 wide; opisthosoma 1.40 long, 1.20 wide. Dorsal shield of prosoma yellow with longitudinal grayish brown stripes. Eye measurements: AME 0.05, ALE 0.09, PME 0.04, PLE 0.07, AME − AME 0.16, AME − ALE 0.06, PME − PME 0.14, PME − PLE 0.24. MOA 0.22 long, front width 0.24, back width 0.22. Chelicerae, gnathocoxae, and labium light brown, sternum yellow. Legs yellow, the distal of femora, patellae and tibiae of I, II blackish brown. Metatarsi and tarsi of I, II with numerous small hairs. Leg measurements: I: 4.45 (1.30, 1.60, 0.90, 0.65); II: 4.45 (1.30, 1.60, 0.90, 0.65); III: 2.80 (0.90, 1.00, 0.45, 0.45); IV: 2.95 (1.00, 1.00, 0.45, 0.50). Spination: Femora: I−II dor 1-1-1-1-1, I prolateral 1- 1-2, III−IV dor 1-1-1-1; Patellae: I−II 0-1 apical; Tibiae: I−II dorsal 1-1, I−II pro- and retrolateral 1-1-1, ventral 2- 2-2-2. Opisthosoma dorsally yellow with setae and grayish black markings, venter yellow.

Palp ( Figs 63 B–D, 65 A–B). The left ramus of VTA short, the right one distally transverse, lamella-shaped; ITA combined with RTA basally, RTA with a small, sharp apophysis distally; embolus filiform.

Female (one of the paratypes measured): Total length 3.00. Prosoma 1.40 long, 1.40 wide; opisthosoma 1.70 long, 1.70 wide. Eye measurements: AME 0.05, ALE 0.10, PME 0.04, PLE 0.08, AME − AME 0.17, AME − ALE 0.14, PME − PME 0.16, PME − PLE 0.28. MOA 0.22 long, front width 0.26, back width 0.23. Leg measurements: I: 4.10 (1.30, 1.50, 0.80, 0.50); II: 4.15 (1.30, 1.55, 0.80, 0.50); III: 2.70 (0.90, 1.00, 0.40, 0.40); IV: 2.95 (1.05, 1.00, 0.50, 0.40).

Epigynum ( Figs 64 B–C, 65 C–D). Epigynum with a sclerotized plate covering a small hood; copulatory ducts twisted; spermathecae twisted.

Variation. Total length: ♀ 2.60 − 3.30 (n= 40).

Distribution. China (Yunnan).