Phaeacius malayensis Wanless, 1981

Zhang, J. X. & Li, Daiqin, 2005, Four New And One Newly Recorded Species Of The Jumping Spiders (Araneae: Salticidae: Lyssomaninae & Spartaeinae) From (Sub) Tropical China, Raffles Bulletin of Zoology 53 (2), pp. 221-229 : 223-224

Phaeacius malayensis Wanless, 1981

( Fig. 2 A-E)

Phaeacius malayensis Wanless, 1981a: 205 , Figs. 6A-E, 7A-C.

Materials examined. – 1 female and 1 male, Xishuangbanna Tropical Botanic Garden ( ZRC •ARA•502) (21°55.85'N 101°15.25'E), Menglun , Mengla County, Yunnan, coll. D. Li, 7 May.2004 .

Diagnosis. – This species is very similar to Phaeacius fimbriatus Simon, 1900 ( Wanless, 1981a: 202, Figs. 4 A-H, 5B), but differs from the latter in male palp with a pronounced apophysis lying between the ventral and retrolateral apophyses ( Fig. 2B, C ), and median septum of female epigynum narrower ( Fig. 2D ).

Description. – Male. Total length 9.00: cephalothorax 4.50 long, 3.50 wide, 1.70 high; abdomen 4.50 long, 2.40 wide. Carapace ( Fig. 2A ) deep brown, red brown around fovea, with many fine hairs. Eye sizes: AME 0.56, ALE 0.31, PME 0.25, PLE 0.34. First eye row 2.03 wide, second row 1.88 wide, third eye row 2.03, eye area 2.00 long. Clypeus height 0.13. Chelicerae red brown, with 3 promarginal and 4 retromarginal teeth. Endites and labium deep red brown. Sternum yellow brown, with indistinct gray patches. Legs yellow brown, with a few dark markings. Spination of leg I: metatarsi v 2-0-0, p 1-1-0, r 1-1-2, d 0-1-0; tibiae v 2-3- 2, p 1-1-0, r 1-1-0, d 1-1-1; patellae p 0-1-0, r 0-1-0; femora p 0-1-1, r 0-0-1, d 0-2-2. Measurements of palp and legs: palp 4.38 (1.41+0.53+0.47+1.97); I 10.60 (2.97+4.13+2.44+1.06), II 10.76 (3.19+3.95+2.52+1.10), III 10.72 (3.05+3.75+2.84+1.08), IV 12.16 (3.40+4.16+3.56+1.04). Leg formula: 4231. Abdomen oval, scattered with lots of short hairs; dorsum earthy yellow, black marginally, with a brownish patch at the centre; venter black brown. Embolus of palpal organ ( Fig. 2B, C ) long and robust, secondary conductor (sc) translucent long and slender, a pronounced apophysis present between the ventral and retrolateral apophyses.

Female. Total length 8.60: cephalothorax 4.10 long, 3.15 wide, 1.60 high; abdomen 4.50 long, 2.20 wide. Eye sizes: AME 0.50, ALE 0.31, PME 0.22, PLE 0.31. First eye row 1.97 wide, second row 1.75 wide, third eye row 1.84 wide, eye area 1.78 long. Clypeus height 0.09. Spination of leg I: metatarsi v 2-0-0, p 1-1-1, r 1-1-0; tibiae v 2-3-2, p 1-1- 0, r 1-1-0, d 1-1-0; patellae p 0-1-0, r 0-1-0; femora p 0-1- 1, d 0-1-4. Measurements of legs: I 9.39 (2.69+3.63+2.13+0.94), II 9.69 (2.75+3.69+2.44+0.81), III 9.38 (2.75+3.25+2.50+0.88), IV 10.69 (2.94+3.75+3.06+0.94). Leg formula: 4213. Other characters similar to those of male. Median septum of epigynum ( Fig. 2D, E ) narrow in the middle and widened at the posterior part, spermatheca almost oval, accompanied with a membranous sac.

Distribution. – China (Yunnan; new record), Malaysia, Singapore, Sumatra.

Figures

Fig. 2. Phaeacius malayensis Wanless, 1981. A, male; B, left palp, ventral view (the black arrow refers to the secondary conductor); C, same, lateral view (the black arrow refers to the pronounced apophysis between the ventral and retrolateral apophyses); D, epigynum, ventral view; E, same, dorsal view. Scales: A = 1.0 mm, B-E = 0.2 mm.

Fig. 4. Portia taiwanica, new species. A, male; B, left palp, ventral view; C, same, retrolateral view; D, same, dorsal view; E, cheliceral teeth of female, retrolateral view; F, epigynum, ventral view; G, same, dorsal view. Scales: A = 1.0 mm, B-G = 0.2 mm.