A new record of Siler collingwoodi (Araneae: Salticidae) from Japan
Author
Baba, Y. G.
text
Acta Arachnologica
2010
59
17
19
journal article
10.2476/asjaa.59.17
Siler collingwoodi
(O. Pickard-Cambridge,
1
871
)
[
Japanese name∶ Karaοbi-haetοri]
(
Figs.
1 -6
) Salticius collingwoodi Ο. Pickard-Cambridge
1
8
71
, pp.
61
7, 621
[ma
1
e hο
1
οtype frοm Hοng Kοng preserved in Οxfοrd].
Maevia co ll ingwoodi∶ Τhοre
11
1
8
92
, p.
474
.
Cosmophasis co ll ingwoodi∶ S imοn
1
901
, p.
5
49
.
Si l er co ll ingwoodi∶ Prószynski
1
98
5
, pp.
75 -77
. figs.
24-29
; S οng & Chai
1
991
, p.
1
4
, figs.
3
A-D; S οng, Ζhu, & Chen
1
999
, p.
5
5
8
, figs.
3
1
5
J,
3
1
6
A.
Specimens examined. A
11
the specimens were cο
11
ected by
A. Τanikawa
in
Iriοmοteϳima Is.
,
Οkinawa Pref.
,
Japan
.
1
♀
,
24
-vIII-
1
987
(
NSMΤ-Ar
8558
),
Funaura
;
1
♀
,
1
1
-vIII-
1
985
(
NSMΤ-Ar
8559
)
,
1
♂
,
1
6
- vIII-
1
988
(
NSMΤ-Ar
8560
),
Sοnai
;
1
♂
,
3
-v-
1
984
(
NSMΤ-Ar
8561
)
,
1
♀
,
1
-Iv-
1
985
(
NSMΤ-Ar
8562
)
,
1
♂
,
1
6
-vIII-
1
985
(
NSMΤ-Ar
8563
),
Kοmi
;
1
♀
,
3
0-
XII-
1
986
(
NSMΤ-Ar
8564
)
,
1
♀
,
1
9
- vIII-
1
988
(
NSMΤ-Ar
8565
),
Οtοmi
;
1
♂
,
27
-III-
1
985
(
NSMΤ-Ar
8566
)
,
1
♂
,
1
5
-vIII-
1
987
(
NSMΤ-Ar
8567
),
Οhara
.
Description. Based οn the Japanese specimens
1
♂
(NSMΤ-Ar
8560
),
1
♀ (NSMΤ-Ar
8565
), measurements in parentheses indicate the range amοng specimens used in this paper. Bοdy
1
ength∶ ♂
3.65
(
3. 06-4.47
), ♀
4.
59
(
4. 59-4.
94
). Carapace
1
ength∶ ♂
1. 88
(
1.
69-2.
3
1
), ♀
2.25
(
2.
1
9
-
2.25
). Carapace width∶ ♂
1.
3
1
(
1.
1
9
-
1.63
), ♀
1. 56
(
1. 56-1.
69
).
Eye fie
1
ds (Τhe fο
11
οwing abbreviatiοns are used∶
ALE
, anteriοr
1
atera
1
eye;
AME
, anteriοr median eye;
PLE
, pοsteriοr
1
atera
1
eye;
PME
, pοsteriοr median eye. Τhe distances between eyes are expressed as fο
11
οwing. e.g. ALE-AME.) Eye fie
1
ds. ALE-ALE∶ ♂
1.
1
1
(
0.
94-1.29
), ♀
1. 26
(
1.
26 - 1.29
). PLE-PLE∶ ♂
1.20
(
1.
06-1.40
), ♀
1. 40
(
1.40
-
1
49
). ALE-PLE∶ ♂
0. 83
(
0.74-1
. 00), ♀
0. 91
(
0. 91 -1
.00). ALE- PME∶ ♂
0.43
(
0.
3
4
-
0.49
), ♀
0.49
(
0. 49-0.54
). ALE-PLE l carapace
1
ength∶ ♂
0. 44
(
0. 43 -0. 46
), ♀
0. 41
(
0. 41 -0.46
). ALE-ALE l PLE-PLE∶ ♂
0. 93
(
0.88 -0. 93
), ♀
0.90
(
0. 87-0.90
).
AME
diameter∶ ♂
0.
3
4
(
0.29-0. 40
), ♀
0.
3
7
(
0.
3
7
-
0. 40
). ALE l
AME
∶ ♂
0. 63
(
0.54-0. 63
), ♀
0. 62
(
0. 57-0. 64
). ALE l PLE∶ ♂
1
.00 (
0. 86-1
. 00), ♀
1
. 00 (
0. 94-1
. 00). PME l PLE∶ ♂
0. 29
(
0.
1
9
-
0. 29
), ♀
0. 25
(
0. 22-0. 25
).
Length οf
1
egs as shοwn in Τab
1
e
1
.
Ma
1
e pa
1
p.
Embο
1
us
1
οng, bent sidewards and then bending again and running anteriοrwards, s
1
ight
1
y undu
1
ating (
Figs.
1 -2
). Bu
1
bus a
1
mοst square with rοund ang
1
es, with angu
1
ar pοsteriοr extensiοn and sma
11
ventra
1
prοtuberance in its anteriοr ha
1
f.
Τibia
1
apοphysis s
1
ight
1
y bending.
Fema
1
e genita
1
ia. Epigynum and interna
1
genita
1
ia οf fema
1
e as shοwn in
Figs.
3 -4
.
Cο
1
οratiοn and markings. Ma
1
e. Carapace basica
11
y red, cοvered with b
1
uish meta
11
ic hairs; marginated with white hairs. Areas surrοunded by eyes dark. Leg I∶ tibia, pate
11
a and femur dark brοwn; and tarsus
1
ight brοwn. Leg II-Iv
1
ightbrοwn.Dοrsumοfabdοmencοveredwithsi
1
verhairs, exceptfοrcharacteristicredmarkingandb
1
ackbands(Fig.
5
).
Table1.Measurementsοf1egsegmentsοfSi̸erco̸̸ingwoodi(♂⁄¥;inmm)
| Leg |
Femur |
Pate11a |
Τibia |
Metatarsus |
Τarsus |
Τοta1 |
| I |
1.11⁄1.17 |
0.54⁄0.54 |
0.77⁄0.77 |
0.60⁄0.60 |
0.51⁄0.51 |
3.53⁄3.59 |
| II |
0.86⁄0.86 |
0.40⁄0.49 |
0.60⁄0.63 |
0.54⁄0.54 |
0.37⁄0.43 |
2.77⁄2.95 |
| III |
0.86⁄0.94 |
0.43⁄0.49 |
0.60⁄0.63 |
0.71⁄0.71 |
0.43⁄0.46 |
3.03⁄3.23 |
| Iv |
1.20⁄1.29 |
0.49⁄0.54 |
0.91⁄1.00 |
0.97⁄1.14 |
0.57⁄0.57 |
4.14⁄4.54 |
Fig.1-4.Si̸er co̸̸ingwoodi (Ο.Pickard-Cambridge,1871),♂ (NSMΤ-Ar8560) and¥ (NSMΤ-Ar8565).1,Ma1e1eftpa1p,ventra1view; 2,same,retrο1atera1view;3,epigynum,ventra1view;4,fema1einterna1genita1ia,dοrsa1view.(Sca1es∶0.1mm).
Fig.5-6. Si̸erco̸̸ingwoodi(Ο.Pickard-Cambridge,1871).5,Ma1e,dοrsa1view(NSMΤ-Ar8566);6,fema1e,dοrsa1view(NSMΤ-Ar 8558).(Sca1es∶1mm).
ActaArachno̸ogica,59(1),September2010©Arachnο1οgica1SοcietyοfJapan
Fema
1
e.Cο
1
οratiοnandmarkingssimi
1
artοthοseοf ma
1
e(
Fig.
6
).
Variation.Cο
1
οratiοnandmarkingsarehigh
1
yvariab
1
e withthedegreeοfhair
1
οss.
Distribution.Japan(IriοmοteϳimaIs.)andChina(Hοng Kοng,Hainan).
Remarks.Si l erco ll ingwoodicanbeeasi
1
ydistinguished frοmtheοtherJapaneseϳumpingspidersbythegenera
1
ap- pearanceandgenita
1
mοrphο
1
οgy.