Plator yunlong, Zhu, Ming-Sheng, Tang, Gui-Ming, Zhang, Feng & Song, Da-Xiang, 2006

Zhu, Ming-Sheng, Tang, Gui-Ming, Zhang, Feng & Song, Da-Xiang, 2006, Revision of the spider family Trochanteriidae from China (Araneae: Gnaphosoidea), Zootaxa 1140 (1), pp. 31-51 : 46-49

Plator yunlong sp. nov.

( Figs 31–35 , 46 )

Type material

Holotype female, CHINA: Yunnan Province, Yunlong County, N 25°54’, E 99°22’, 6 October 2001, Er­Bing Yang leg. Paratype: 1 male, same data as holotype. ( MHBU).

Diagnosis

This species can be easily distinguished from other species of this genus by female with epigynal margins laterally, large and C­shaped, the shadows of spermathecae almost butterfly­like, copulatory ducts relatively long, parallel to each other ( Figs 32, 33 ); median apophysis of male pedipalpus oval, and with a prong near tip of its anterior edge in ventral view ( Fig. 34 ).

Etymology

The specific name is a noun in apposition taken from the type locality.

Description

Female (holotype): Total length 10.35. Carapace 3.51 long, 5.31 wide; opisthosoma 6.93 long, 6.48 wide. Carapace yellow brown, with hairs and setae as P. pennatus . All eyes circular. Anterior eye row slight recuved, poeterior eye row recurved ( Fig. 31 ). Eye diameters: AME 0.15, ALE 0.13, PME 0.13, PLE 0.18. Distances between eyes: AME –AME 0.13, AME–ALE 0.18, PME–PME 0.27, PME–PLE 0.43. MOA 0.43 long, front width 0.43, back width 0.53. Chelicerae light red brown, both promarginal and retromarginal with three teeth. Clypeus, endites and sternum light yellow brown, sternum margins brown. Leg formula 2341.

Leg measurements of Plator yunlong sp. nov., female.

Opisthosoma oval. Dorsum pale yellow, with small paddle hairs and sparse dark setae bearing spinules, posterior half and sides with small irregular black spots. Six spinnerets.

Epigynum laterally with strongly sclerotized, C­shaped margins, and a median butterflylike shadow of spermathecae, copulatory ducts relatively long and parallel to each other ( Figs 32–33 ).

Male total length 6.84. Carapace 2.79 long, 4.14 wide; opisthosoma 4.23 long, 4.14 wide. Eye diameters: AME 0.13, ALE 0.10, PME 0.13, PLE 0.18. Distances between eyes: AME–AME 0.09, AME–ALE 0.10, PME–PME 0.19, PME–PLE 0.28. MOA 0.38 long, front width 0.35, back width 0.45. Appearance of body and legs as females. Retrolateral tibial apophysis of pedipalpus short, directed forward. Median apophysis oval, erect, with a prong near tip of its anterior edge in ventral view ( Figs 34–35 ).

Distribution

Southeast China (Yunnan).

Biology

Living in crevices of old tiles and under bark of pine trees.

Figures

FIGURES 46. Map of China, showing distribution of Chinese trochanteriids. 1. Plator insolens Simon. 2. Plator sinicus Zhu & Wang. 3. Plator bowo sp. nov. 4. Plator pandeae Tikader. 5. Plator pennatus Platnick. 6. Plator yunlong sp. nov.

FIGURES 31 – 35. Plator yunlong sp. nov. 31 – 33. Female. 31, eyes, dorsal view; 32, epigynum, ventral view; 33, vulva, dorsal view; 34 – 35. Male left pedipalp. 34, ventral view; 35, retrolateral view. Scale bars: 31, 1 mm; 32 – 35, 0.1 mm.