NEW SPECIES OF SPIDERS (ARANEAE) FROM HAINAN ISLAND, CHINA
Author
Alberto T. Barrion
Author
Aimee Lynn A. Barrion-Dupo
Author
Josie Lynn A. Catindig
Author
Sylvia C. Villareal
Author
Ducheng Cai
Author
Qianhua Yuan
Author
Kong Luen Heong
text
UPLB Museum Publications in Natural History
2016
3
1
103
journal article
10.5281/zenodo.269136
aa2af867-04e4-4d4d-b40f-5d3d530c15d2
0119-0084
269136
Scytodes edwardsi
Barrion, Barrion-Dupo & Heong
,
new species
[
Figure
31
A-D]
FEMALE.
Holotype
female, total length
5.10mm
. Cephalothorax length,
2.50mm
, width 2.00mm, height
1.90mm
. Abdomen length
2.60mm
, width 2.00mm.
Carapace.
Roughly
1.25
x longer than wide, yellow with a broad horse-shoe shaped brownish red band running from cephalic to thoracic area, two rings of thin brown bands present laterally and sublaterally viewed frontally; dorsally with dark brown cephalic and two transverse bands in the thoracic area. Chelicerae longer than wide, dark brown with apical one-third yellow. Pedipalps blackish to dark brown except yellow inner sides of tibiae and dorsum of tarsi. Maxillae subcylindrical, whitish and pointed apical one-third converging, basal two-thirds gray brown. Labium fused to sternum, wider than long, anterior margin convex; general color light brown except yellow apex and black anchor-like band medially. Sternum yellow, with interrupted black concave or moderately C-shaped margins, heart-shaped & longer than wide.
Eyes.
Six eyes in three widely separated pairs, strongly recurved. Eye diameter (mm): median eye (
0.12
) and median pair (
0.24
)> lateral eyes (
0.10
) and lateral pair (
0.20
). Clypeus height almost as long as
1
AME diameter.
Legs.
Long and slender, yellow with black annulations mostly on femora and tibiae, coxa brown laterally and yellow ventrally, posterior end of femur I-IV brownish black,
patella
I-IV and anterior ends of tibiae I-IV black, dorsum of tibiae I-IV and metatarsi I-IV with a black longitudinal band; left metatarsus I with two brown bands while the right has a dorsal longitudinal band. Leg formula
1423
.
Leg measurements (mm):
Leg |
Femur |
Patella
|
Tibia |
Meta- tarsus |
Tarsus |
Total |
1 |
2.00 |
0.50 |
2.25 |
2.30 |
0.70 |
7.75 |
2
|
1.80 |
0.50 |
1.75 |
1.80 |
0.60 |
6.45 |
3
|
1.40 |
0.40 |
1.10 |
1.40 |
0.50 |
4.80 |
4
|
2.00 |
0.55 |
1.90 |
1.75 |
0.65 |
6.85 |
Pedipalp
|
0.44 |
0.25 |
0.35 |
- |
0.50 |
1.54 |
Abdomen.
Yellow mottled with irregular gray lines and dots, dorsally with three transverse bands,
1.3
x longer than wide.
Epigynum none, reduced to chitinized triangular plate anterior of epigastric furrow and transversely oblong pale yellow plate with circular genital openings posterior of epigastric furrow. Cleared genital plate with a pair of crab-like forceps and an oblongate spermathecae each located anterolaterally of the forceps.
MALE.
Unknown.
Material Examined.
Holotype
female (coll. no. S062),
CHINA
, Hainan Island,
Panja
Town, Songtao Reservoir, 0
3
April
2011
, ATBarrion, JLACatindig and SCVillareal;
Paratype
: two females, same data as
holotype
.
Diagnostic Features.
This species closely resembles
S. thoracica
Latrielle,
1804
but differs from the latter in the (
1
) cephalothoracic design frontally and posterodorsally, (
2
) genital structures, and (
3
) leg measurements and markings.
Etymology.
Patronym, in recognition of
Dr. G.B. Edwards’ systematic works on
Salticidae
.