Spilosynema ansatum, Tang & Li, 2010

Tang, Guo & Li, Shuqiang, 2010, Crab spiders from Xishuangbanna, Yunnan Province, China (Araneae, Thomisidae) 2703, Zootaxa 2703, pp. 1-105 : 67-69

Spilosynema ansatum sp. nov.

Figs 49–51

Type material. Holotype: ♂, CHINA: Yunnan: Xishuangbanna, Mengla County, Menglun Town , Menglun Nature Reserve , Secondary tropical seasonal moist forest (N21º54.718´, E101º16.940´, 645 m), 27 July 2007, leg. G. Zheng.

Paratypes: CHINA: Yunnan: Xishuangbanna, Mengla County, Menglun Town , Menglun Nature Reserve , leg. G. Zheng: 1 ♀, same data as holotype ; 1 ♂, Rubber plantation (N21º54.646', E101º16.257', 572 m), 16 July 2007 ; 5 ♂, Angeissus acuminata plantation (N21º53.993', E101º16.810', 611 m), 19 August 2007 ; 3 ♂, 1 ♀, Paramichelia baillonii plantation (N21º54.200', E101º16.923', 608 m), 18 August 2007; 2 ♂, 1 ♀, Secondary tropical seasonal moist forest (N21º54.718', E101º16.940', 645 m), 27 July 2007 ; leg. G. Tang and Z.Y. Yao: 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.705', E101º16.898', 656 m), 13 November 2009 ( Tang-Yao _ No. 4) ; 1 ♂, 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.705', E101º16.898', 656 m), 15 November 2009 ( Tang-Yao _ No. 8) ; 2 ♂, 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.710', E101º16.941', 652 m), 15 November 2009 ( Tang-Yao _ No. 9) ; 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.714', E101º16.935', 660 m), 16 November 2009 ( Tang-Yao _ No. 11) ; 3 ♂, 6 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.609´, E101º17.090´, 643 m), 17 November 2009 ( Tang-Yao _ No. 13) ; 1 ♀, Bamboo plantations near G213 roadside (N21º54.380', E101one of the paratypesº16.815', 620 m), 21 November 2009 (Tang-Yao _ No. 17) ; 1 ♀, G213 roadside, Bamboo plantation (N21º54.386', E101º16.803', 627 m), 22 November 2009 (Tang-Yao _ No. 18) ; 3 ♂, 2 ♀, Garbage dump, Secondary tropical forest (N21º54.380', E101º16.815', 627 m), 23 November 2009 (Tang- Yao _ No. 20) ; 1 ♂, 3 ♀, Garbage dump, Secondary tropical forest (N21º54.380´, E101º16.815´, 627 m), 23 November 2009 ( Tang-Yao _ No. 21) ; 4 ♂, 5 ♀, G213 roadside, High plantation forest (N21º54.213', E101º16.927', 590 m), 24 November 2009 (Tang-Yao _ No. 22) ; 3 ♂, 1 ♀, same data as Tang-Yao _ No. 22 ( Tang-Yao _ No. 23) ; 5 ♂, 4 ♀, G213 Roadside, Anogeissus acuminate Plantation (about 20 years old, N21º53.819', E101º17.075', 609 m), 27 November 2009 (Tang-Yao _ No. 28) ; 4 ♂, 2 ♀, G213 roadside, low evergreen forest (N21º53.794', E101º17.152', 594 m), 27 November 2009 (Tang-Yao _ No. 29) ; 3 ♂, 5 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.555', E101º16.860', 615 m), 29 November 2009 ( Tang-Yao _ No. 32) ; 1 ♂, 1 ♀, Lvshilin Forest Park, Limestone tropical seasonal rain forest (N21º54.555', E101º16.860', 610 m), 29 November 2009 (Tang- Yao _ No. 33) ; 8 ♂, 4 ♀, G213 Roadside, Anogeissus acuminate Plantation (N21º55.177', E101º16.374', alt. 581 m), 30 November 2009 (Tang-Yao _ No. 34) ; 1 ♀, Tropical evergreen rainforest (N21º55.139', E101º16.295', 523 m), 30 November 2009 (Tang-Yao _ No. 35) ; 6 ♂, 6 ♀, Valley tropical seasonal rainforest (N21º56.206', E101º16.204', 558 m), 1 December 2009 (Tang-Yao _ No. 36) ; 3 ♂, 3 ♀, G213 Roadside, Anogeissus acuminate Plantation (N21º53.992', E101º16.948', alt. 596 m), 2 December 2009 (Tang-Yao _ No. 38) ; 3 ♂, G213 roadside, Anogeissus acuminate plantation (N21º53.992', E101º16.948', 590 m), 2 December 2009 (Tang-Yao _ No. 39) .

Etymology. The specific name comes from the Latin adjective ansatum (provided with handles), referring to the shape of the tutacular apophysis.

Diagnosis. This species can be distinguished from other members of this genus by the shape of tutacular apophysis and the epigynum with a pair of glasses-shaped copulatory openings.

Description. Male (holotype measured): Total length 3.80. Prosoma 1.80 long, 1.80 wide; opisthosoma 2.10 long, 1.70 wide. Dorsal shield of prosoma yellow, with a pair of gray paramedian stripes, sides gray. Eye measurements: AME 0.07, ALE 0.13, PME 0.06, PLE 0.11, AME − AME 0.17, AME − ALE 0.19, PME − PME 0.22, PME − PLE 0.30. MOA 0.36 long, front width 0.29, back width 0.33. Chelicerae grayish black, gnathocoxae and labium grayish yellow, sternum yellow. Legs yellow with many spines. Leg measurements: I: 7.30 (2.10, 2.50, 1.70, 1.00); II: 7.50 (2.10, 2.60, 1.80, 1.00); III: 3.90 (1.30, 1.30, 0.80, 0.50); IV: 4.10 (1.30, 1.30, 0.90, 0.60), leg formula 2143. Opisthosoma dorsally light yellow with grayish black longitudinal stripes and some yellowish white spots. The lateral with light grayish black lines and yellowish white spots. Venter yellow with large grayish black marking.

Palp ( Figs 49 B–D, 51 A–B). Tutacular apophysis stipitiform; VTA digitiform. ITA denticle, RTA spatulate; bulb flat, embolus filiform.

Female (one of the paratypes measured): Total length 3.90. Prosoma 1.80 long, 1.70 wide; opisthosoma 2.10 long, 2.00 wide. Body pigmentation lighter than in male. Eye measurements: AME 0.09, ALE 0.16, PME 0.07, PLE 0.13, AME − AME 0.22, AME − ALE 0.21, PME − PME 0.26, PME − PLE 0.33. MOA 0.42 long, front width 0.38, back width 0.40. Legs darker than in male. Femora, patellae and tibiae of legs I, II with large, light grayish black annuli. Leg measurements: I: 7.00 (2.10, 2.50, 1.60, 0.80); II: 7.10 (2.10, 2.60, 1.60, 0.80); III: 3.80 (1.20, 1.50, 0.60, 0.50); IV: 4.00 (1.30, 1.50, 0.70, 0.50), leg formula: 2143.

Epigynum ( Figs 50 B–C, 51 C–D). Epigynum with a central sclerotized plate; copulatory openings visible, glasses-shaped; copulatory ducts thick and twisted. Spermathecae globular.

Variation. Total length: ♂ 3.00–3.80 (n=59); ♀ 3.10–4.00 (n=46).

Distribution. China (Yunnan).