Lysiteles dianicus Song & Zhao, 1994

Tang, Guo, Yin, Chang-Ming, Peng, Xian-Jin, Ubick, Darrell & Griswold, Charles, 2008, The crab spiders of the genus Lysiteles from Yunnan Province, China (Araneae: Thomisidae), Zootaxa 1742, pp. 1-41 : 14-16

Lysiteles dianicus Song & Zhao, 1994

Figs 7 a–k , 22

Lysiteles dianicus Song & Zhao, 1994: 114 , figs 2A–C; Song & Zhu, 1997: 121, figs 84A–C. (types not examined)

Material examined. CHINA: Yunnan Province: Longling County: 5 ɗ, 6 Ψ, Longjiang Township, Xiaoheishan Nature Reserve [N24.82888°, E98.76001°], 2020 m, 26 May 2005, Charles Griswold and David Kavanaugh (HNU-CGY0512401); 2 ɗ, 9 Ψ, same locality as the former [N24.82886º, E98.75917º], 2010 m, 26 May 2005, Heng-Mei Yan (CAS-GKJ02601); 2 ɗ, same locality as the former [N24.82886º, E98.75917º], 2120 m, 27 May 2005, Ke-Ji Guo (HNU-GKJ02801); 3 ɗ, 6 Ψ, same locality as the former, [N24.82886º, E98.75917º], 2067 m, 29 May 2005, Heng-Mei Yan and Ke-Ji Guo (HNU-GKJ02901); 1 ɗ, same locality as the former [N24.82888°, E98.76001°], 2020 m, 27 May 2005, David Kavanaugh and Charles Griswold (HNU-DHK05032C01); 13 Ψ, Zhen’an Township, Bangbie Village [N24.81333°, E98.83280°], 1545–1560 m, 24 May 2005, Charles Griswold (HNU-CGY11802). Gongshan County: 2 Ψ, Dabadi [N27.79655º, E98.50562º], 3000 m, 27 September to 6 October 2002, Paul Marek (HNU-02 PEM 02202). Baoshan Cit y: 1 ɗ, 1 Ψ, Lujinag Township, Bawan Village, 40 km of the Road Bawan to Tengchong [N24.55459º, E98.45309º], 2320 m, 16 Oct. 2003, Guo Tang (HNU-Tang 03101601); 2 ɗ, Mangkuan Township, Baihualing [N25.30890º, E98.79536º], 1515 m, 2 June 2005, Heng-Mei Yan and Ke-Ji Guo (HNU-GKJ03704); 2 Ψ, Nankang [N24.82587º, E98.76832º], 2148 m, 26 May 2005, Ke-Ji Guo (HNU-GKJ02701). Fugong County: 1 Ψ, Yamu River, 10 km from Nujiang on Shibali Road on North fork [N27.13441°, E98.82622°], 1799 m, 25 April 2004, Charles Griswold (HNU-CGY 041001); 2 ɗ, 7 Ψ, Yamu River, South fork [N27.11581°, E98.83143°], 1842 m, 26 April 2004, Charles Griswold (CAS-CGY1401); 2 Ψ, 54.7km North of Fugong, near Majimi Village [N27.40298°, E98.82447°], 1500 m, 28 April 2004, Charles Griswold and David Kavanaugh (HNU-CGY1802); 1 Ψ, Shibali [N27.16337°, E98.78208°], 2475 m, 5 May 2004, Charles Griswold and David Kavanaugh (HNU-CGY2601); 1 ɗ, Yamu River [N27.4591°, E98.83148°], 1820 m, 26 April 2004, Guang-Xu Peng (HNU-Peng 04042602); 1 Ψ, Maji Township, Majimi Village [N27.39841°, E98.81872°], 1505 m, 28 April 2004, Guang-Xu Peng (HNU-Peng 04042802). Lushui County: 2 Ψ, Pianma Township, along the road in town [N26.00949°, E98.61704°], 1780 m, 15 May 2005, Ke-Ji Guo (HNU-GKJ0040); 11 ɗ, 20 Ψ, Pianma Township, Chanyan River [N25.99363°, E98.66651°], 2470 m, 14 May 2005, Charles Griswold (CAS-CGY10701). Tengchong County: 1 ɗ, Wuhe Township, brook [N24.84862°, E98.75913°], 2040 m, 23 May 2005, Heng-Mei Yan and Ke-Ji Guo (HNU-GKJ01701).

Diagnosis. This species is similar to L. subdianicus sp. nov. ( Figs 17 a–d ) in general appearance and the genital organs: but differs in: the embolus being longer; the RTA short stick-shaped versus long spatulate in L. subdianicus ; cymbium with modification absent in L. subdianicus ; atrium almost as long as wide versus much wider than long in L. subdianicus ; the copulatory ducts with fold absent in L. subdianicus . This species is also similar to L. silvanus Ono, 1980 and L. coronatus (Grube, 1861) in slender embolus, but can be separated from those species by: the RTA digitform (spatulate in L. silvanus ), the copulatory ducts twist in 1 circle (about 2–3 circles in L. silvanus ); the cymbium wider than in L. coronatus , VTA apically curved prolaterally (curved retrolaterally in L. coronatus ).

Description. Male (HNU-CGY0512401, this is the first description of the male): Total length 3.70. Prosoma 1.60 long, 1.70 wide; opisthosoma 2.00 long, 1.50 wide. Dorsal shield of prosoma yellow, with sparse long setae, and with a pair of brown bilateral markings. Eye sizes and interdistances: AME 0.13, ALE 0.20, PME 0.06, PLE 0.15, AME - AME 0.20, AME - ALE 0.23, PME - PME 0.36, PME - PLE 0.38, MOA 0.40 long, front width 0.42, back width 0.45. Clypeus blackish brown. Both AER and PER strongly recurved. Sternum yellow. Chelicerae long, blackish brown, promargin with a row of curved thick hairs and 2 small teeth, retromargin with a row of curved hairs and 1 smaller tooth; gnathocoxae and labium long, light blackish brown. Legs I, II brown; III, IV yellow. Leg measurements: I: 7.60 (2.00, 3.00, 1.60, 1.00); II: 7.90 (2.20, 3.00, 1.60, 1.10); III: 4.60 (1.50, 1.60, 0.90, 0.60); IV: 5.10 (1.60, 1.80, 1.00, 0.70), formula: 2, 1, 4, 3. Opisthosoma nearly oval, dorsum anteriorly with a pair of brown longitudinal stripes; medially with a pair of white spots; posteriorly with 3 pairs of blackish brown stripes; sides with broken white spots and 5 black lines; venter gray with a U - shaped light black mark posteriorly.

Palp ( Figs 7 c–f , i ). VTA strongly sclerotized, apically curved, RTA with a basal projection, distal parts of RTA stick - shaped. The embolus slender and curved anticlockwise, large helix - shaped.

Female: (HNU-CGY0512401): Total length 4.00. Prosoma 1.70 long, 1.50 wide; opisthosoma 2.20 long, 2.00 wide. Body markings as in male. Clypeus brown, sternum light yellow. Chelicerae brown, gnathocoxae and labium brown. Leg yellow, leg measurements: I: 5.20 (1.50, 2.00, 1.00, 0.70); II: 5.60 (1.70, 2.00, 1.20, 0.70); III: 3.80 (1.20, 1.40, 0.70, 0.50); IV: 4.30 (1.40, 1.50, 0.90, 0.50), formula: 2, 1, 4, 3. Opisthosoma wider than in male.

Epigyne-vulva ( Figs 7 g–h, j–k). Atrium large; copulatory ducts much wider anteriorly, twisted tubeshaped posteriorly; spermathecae globular.

Variation. Total length males: 3.00–3.90 (n = 31); females: 3.60–4.20. (n = 73). The markings of the opisthosoma dorsum vary in size and pigmentation.

Distribution. China (recorded from Yunnan Province: Gongshan, Fugong, Lushui, Longling, Tengchong Counties and Baoshan City).

Figures

FIGURES 7 a – f. Lysiteles dianicus Song & Zhao, 1994. a – b Habitus (a male, b female); c – f Left palp (c prolateral, d, i ventral, e retrolateral, f dorsal view). Scale bars: a – b = 1; c – f = 0.1.

FIGURES 7 i – k. Lysiteles dianicus Song & Zhao, 1994. i Left palp, j Epigyne; k Vulva; A atrium. Scale bars: i – k = 0.1.

FIGURES 17 a – l. Lysiteles subdianicus sp. nov. a – d Habitus (a, b male; c, d female); e – g, j Left palp (e prolateral, f, j ventral, g retrolateral view); h, k Epigyne; i, l Vulva. Scale bars: a – d = 1; e – l = 0.1.