Clubiona xinwenhui Barrion, Barrion-Dupo & Heong

Alberto T. Barrion, Aimee Lynn A. Barrion-Dupo, Josie Lynn A. Catindig, Sylvia C. Villareal, Ducheng Cai, Qianhua Yuan & Kong Luen Heong, 2016, NEW SPECIES OF SPIDERS (ARANEAE) FROM HAINAN ISLAND, CHINA, UPLB Museum Publications in Natural History 3, pp. 1-103 : 7-8

Clubiona xinwenhui Barrion, Barrion-Dupo & Heong , new species [ Figure 6 A-D]

MALE. Holotype male, total length 3.60 mm. Cephalothorax length 1.80 mm, width 1.14 mm. Abdomen length 2.00 mm, width 0.91 mm.

Carapace. Dark yellow with brownish black eye margins extended posteriorly to fovea, 1.58x longer than wide. Chelicerae dark brown, longer than wide with two promarginal and two minute retromarginal teeth. Pedipalps yellow with black embolus and yellow brown ejaculatory duct. Maxillae yellow, wider and rounded apically. Labium brown, longer than wide with truncated apex and lateromarginal constriction. Sternum yellow, heart-shaped with brown sclerotized areas adjacent to the coxae, 1.57x longer than wide.

Eyes. In two rows of four each. AER recurved and shorter than procurved PER. PME lustrous white. Eye diameter (mm): AME (0.13)> PME (0.11)> ALE=PLE (0.10). Clypeus height about half AME diameter.

Legs. Yellow with dark brown to black bands along apices of femora I-IV, patellae I-IV, bases and apices of all tibiae and apices of all metatarsi. Spination in femora I-IV all alike, 3-0-1-1 except for sizes of spines.Tibia I-IV with 2-0-0-0, I and II each with one prolateral spine, III and IV with two prolateral and two retrolateral spines each.

Abdomen. Dull yellow mottled with black in cardiac area and posterior half of abdomen with interrupted W-shaped bands dorsally. Venter gray except lighter anterior.

Palpal organ bears an 8-shaped sperm duct transversely arising in the center of tegulum; embolus sigmoid to L-shaped; cymbium with two distinct spines apicolaterally; RTA rather small and shortly acute with two very long hairs extended to midlength of cymbium.

FEMALE. Unknown.

Material Examined. Holotype male (coll. no. Dap 49), CHINA, Hainan Island, Dapo town, Dapo village,, 25 March-9 April 2011, ATBarrion, JLACatindig and SCVillareal.

Diagnostic Features. In general appearance, this taxon resembles Clubiona picturata Deeleman- Reinhold, 2001 but differs from the latter in (1) leg lengths and spination, (2) smaller body size, (3) number of promarginal teeth, and (4) shape of embolus.

Etymology. Patronym, dedicated to Dr. Xinwen Hu, Dean of Agriculture College, Hainan University for his constant encouragement and strong support for the arthropod biodiversity exploration in Hainan Island.

Figures

Figure 6 A-D. Clubiona xinwenhui Barrion, Barrion-Dupo & Heong, new species, holotype male (A), ventral (B) and retrolateral (C) views of male pedipalp, and tip of embolus (D).