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
Steatoda panja
Barrion, Barrion-Dupo & Heong
,
new species
[
Figure
45
A-E]
MALE.
Holotype
male, total length
4.20 mm
.
Cephalothorax length 2.00 mm, width
1.40
Abdomen length
2.20 mm
, width
1.10 mm
.
mm.
Carapace.
Black, rough with lateral margins weakly serrate, fovea distinctly convex and deep,
1.43
x longer than wide. Chelicerae black,
2.3
x longer than wide, promargin with bidentate tooth.
Eyes.
AE row shorter than PE row (
0.57
:
0.61 mm
) Eye diameter (mm): PME (
0.14
)> AME=ALE (
0.12
)> PLE (
0.11
), separation (mm): AME-AME (
0.4
), AME-ALE (
0.03
), PME-PME (
0.06
), PME- PLE (
0.07
). Clypeus height wide,
2.36
x PME diameter.
Legs.
Uniformly brownish red with no strong spines on all legs. Coxa I strongly developed, cylindrical and
1.64
x longer than wide. Tibia I, metatarsus I and femur II subequal in length. Leg formula
1423
.
Leg measurements (mm):
| Leg |
Femur |
Patella
|
Tibia |
Meta- tarsus |
Tarsus |
Total |
| 1 2 |
2.55 1.90 |
0.75 0.65 |
1.90 1.40 |
1.90 1.40 |
0.95 0.85 |
8.05 6.20 |
|
3
|
1.70 |
0.50 |
0.95 |
1.10 |
0.65 |
4.90 |
|
4
|
2.40 |
0.65 |
1.70 |
1.75 |
0.80 |
7.30 |
|
Pedipalp
|
0.95 |
0.26 |
0.25 |
- |
0.70 |
2.16 |
Abdomen.
Oblong, anterior end with a neck-like process cleft midapically, slightly elevated anterior end with a circular white narrow band interrupted medially, dorsal plate bears four pairs of brownish black sigilla.
Palpal organ with a distinctly sinuate embolar tip and a long thin white lateral process expanded apically. Cymbium acute to slightly pointed at tip.
FEMALE.
Unknown.
Leg measurements (mm):
Material Examined.
Holotype
male (coll. No. SO
31
),
CHINA
, Hainan Island,
Panja
, Songtao Reservoir, 0
3
April
2011
,
AT
Barrion,
JLA
Catindig and SC Villareal.
Diagnostic Features.
This new species is similar to
Steatoda grossa
(C.L. Koch,
1838
)
, in New Species of Spiders (
Araneae
) from Hainan Island,
China
possessing eight sigilla and a long and apically rounded lateral process nearly reaching tip of cymbium. It differs from the named species by having (
1
) prominently sinuate embolar process and acute apex of the cymbium, (
2
) femur II as long as tibia I and femur III as long as tibia IV, and (
3
) tibia II as long as metatarsus II.
Etymology.
Named after
type
locality.