Holocneminus huangdi, Tong, Yanfeng & Li, Shuqiang, 2009

Tong, Yanfeng & Li, Shuqiang, 2009, Six new cave-dwelling pholcid spiders (Araneae: Pholcidae) from Hainan Island, with two newly recorded genera from China, Zootaxa 1988, pp. 17-32 : 24-25

Holocneminus huangdi sp. nov.

Figs 20–23 , 48–53

Type material: Holotype male, 14 males and 13 females paratypes, CHINA: Hainan Province, Dongfang City, Huangdi Cave (18°57.720´N, 109°08.373´E), 20 March 2005, Y. Song, X. Han, Y. Tong and G. Deng leg.; 3 females paratypes, CHINA: Hainan Province, Changjiang County, Qicha Town, Baoyao Cave (19°06.092´N, 109°01.208´E), 2–3 April 2005, collector same as for holotype.

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

Diagnosis: The new species can be easily distinguished from Holocneminus piritarsis Berland, 1942 ( Beatty 2008) by the absence of two-horned projection on clypeus, the shape of palpal bulb and the complicated procursus in male; by the presence of a short scape on epigynum in female.

Description: Male (holotype). Total length 1.96 (2.2 with clypeus), carapace width 0.96. Leg 1: 8.02 (2.12+0.31+2.16+2.68+0.75), tibia 2: 1.78, tibia 3: 1.5, tibia 4: 1.97; tibia 1 L/d: 23. Habitus as in figs 20 and 21. Carapace yellow with wide median brown mark. Ocular area yellow, but brown laterally, thoracic groove distinct; sternum yellowish, shape as in fig. 22. Opisthosoma pale gray, with some spots dorsally and laterally. Distance PME-PME 0.1; diameter PME 0.09; distance PME-ALE 0.03; diameter AME 0.03. Chelicerae as in fig. 50, with stridulatory files, and a pair of strongly sclerotized frontal apophyses and two pairs of small cones proximolaterally. Palps as in figs 48, 49 and 51; bulbus with distinctive internal duct; femur conspicuously enlarged; procursus relatively huge and complicated. Retrolateral trichobothrium of tibia 1 at 54%; Legs without spines, curved and vertical hairs; tarsus 1 with about 6 pseudosegments.

Variation. Tibia 1 in other males (n = 14): 1.98–2.34 (mean: 2.19)

Females. In general similar to male. Tibia 1 in females from Huangdi Cave (n = 31): 1.87–2.53 (mean: 2.19); from Baoyou Cave (n = 3): 1.96, 2.03 (leg I lost in one specimen). Epigynum as in figs 23 and 52, with a short scape pointing posteriorly. Lateral surface of scape with pair of pockets, possibly to accommodate the male cheliceral apophyses during copulation. Dorsal view as in fig. 53.

Figures

FIGURES 1 – 23. Belisana desciscens sp. nov., 1 – 3; Belisana exian sp. nov., 4 – 6; Belisana maogan sp. nov., 7 – 9; Belisana yalong sp. nov., 10 – 12; Modisimus culicinus (Simon, 1893), 13 – 15; Pholcus exceptus sp. nov., 16 – 19; Holocneminus huangdi sp. nov., 20 – 23. (1, 4, 7, 10, 13, 16, 20, male habitus, dorsal view; 2, 5, 8, 11, 14, 17, 21, male habitus, lateral view; 3, 6, 9, 12, 15, 18, 23, female abdomen, ventral view; 19, 22, male sternum, ventral view.)

FIGURES 48 – 53. Holocneminus huangdi sp. nov. 48 – 49. Male left palp, prolateral (48) and retrolateral (49) views; 50. Male chelicerae, frontal view; 51. Male left procursus, ventral view; 52 – 53. Cleared epigynum, ventral (52) and dorsal (53) views. Scale lines: 0.2 mm.