Systematics and biogeography of the spider genus Mallinella Strand, 1906, with descriptions of new species and new genera from Southeast Asia (Araneae, Zodariidae) 3369
Author
Dankittipakul, Pakawin
Author
Jocqué, Rudy
Author
Singtripop, Tippawan
text
Zootaxa
2012
2012-07-04
3369
1
1
327
https://biotaxa.org/Zootaxa/article/view/zootaxa.3369.1.1
journal article
10.11646/zootaxa.3369.1.1
11755334
5252563
Mallinella angustissima
sp. nov.
(
Figs 843
,
845, 847
,
852–853
,
856
,
901–906
)
Material examined.
Holotype
:
♂
,
MALAYSIA
,
Pahang State
:
Tioman Islands
, pied
du Gunung Kajang
(
02°47.181'N
,
104°07.829'E
),
160 m
, rainforest,
2 October 2001
, leg.
L. Monod
(
MHNG
,
TM
–17)
.
Paratypes
:
MALAYSIA
,
Pahang State
:
1♂
, near
Genting Highland
,
100–250 m
(
2°46’N
,
104°08’E
),
20 August 2004
, leg.
A. Schulz.
(
MHNG
, AS–04/04)
;
1♀
, ibidem,
600–1,000 m
(
2°46’N
,
104°09’E
),
22 August 2004
, leg.
A. Schulz.
(
MHNG
,
AS
–04/06)
;
Johor State
:
1♂
,
Gunung Arong
(
02°33'12.1"N
,
103°45'20.5"E
),
20 m
, rainforest,
15 km
north of
Mersing
,
29–30 May 2004
, leg.
P.J. Schwendinger
(
MHNG
,
MAL
–04/06)
.
Diagnosis.
Males can be distinguished by the elongated apico-prolateral process, in combination with a broad apical fold on the TA (
Fig. 901
). Females can be confused with those of
M
.
amblyrhyncha
sp. nov.
but differ by the triangular instead of the round dorsal hump (
Figs 892
cf. 905), and by the spherical posterior part of spermathecae (
Fig. 905
).
Etymology.
The specific epithet the superlative of the Latin adjective (
angustus
= narrow), referring to the apico-prolateral process on the TA of the male palp which is the longest and most slender among
Mallinella
species.
Description.
Male
(
holotype
). Total length 7.15; prosoma 4.30 long, 3.25 wide. Eye sizes and interdistances: AME 0.30, ALE 0.20, PME 0.20, PLE 0.20, AME–AME 0.12, AME–ALE 0.32, PME–PME 0.24, PME–PLE 0.48; MOQ: 0.60 long, 0.56 anterior width, 0.50 posterior width. Leg measurements: I 17.25 (4.14, 5.40, 4.32, 3.36), II 14.30 (3.60, 4.50, 3.58, 2.58), III 14.38 (3.78, 4.32, 3.86, 2.40), IV 19.88 (4.80, 5.86, 6.20, 3.20).
Coloration
(
Figs 843
,
845
). Carapace orange-brown. Chelicerae brown. Sternum yellowish brown. Legs yellowish, except for coxae whitish. Dorsum of opisthosoma dark sepia, cardiac region pale. Dorsal pattern: first and second pairs fused, forming pale reniform patches; third pairs elongated, ovoid, obliquely arranged, larger than fourth and fifth pairs.
Palp
(
Figs 852–853
,
901–904
). Retrolateral margin of palpal tibia triangular, strongly pronounced. RTA elongated, broad at base, gradually tapered towards sharply pointed apex. TA rostrated; apico-prolateral process elongated, slender, sharply pointed, situated posterior to apico-prolateral fold; meso-retrolateral ridge connected to basal tooth. Embolic base ovoid, aligned in longitudinal direction; membranous area narrowed, almost indistinct. Embolus broad, gradually widening towards apex.
FIGURES 901–906. 901–904.
Mallinella angustissima
sp. nov.
, holotype.
905–906.
M. angustissima
sp. nov.
, paratype.
901.
Male palp, ventral.
902.
TA, ventral.
903.
Ditto, prolateral.
904.
Ditto, retrolateral.
905.
Left spermatheca, lateral.
906.
Right spermatheca, anterior.
Female
(
paratype
).
Total length 7.60; prosoma 4.55 long, 3.28 wide. Eye sizes and interdistances: AME 0.28, ALE 0.20, PME 0.18, PLE 0.20, AME–AME 0.10, AME–ALE 0.34, PME–PME 0.24, PME–PLE 0.46; MOQ: 0.60 long, 0.50 anterior width, 0.48 posterior width. Leg measurements: I 18.45 (4.42, 5.78, 4.62, 3.58), II 15.30 (3.86, 4.80, 3.84, 2.76), III 15.38 (4.04, 4.62, 4.12, 2.56), IV 21.26 (5.14, 6.26, 6.62, 3.20).
Coloration
. Carapace orange-brown. Chelicerae brown. Sternum reddish brown. Legs yellowish. Dorsum of opisthosoma sepia. Dorsal pattern: first and second pairs used together, forming pale reniform patches; third to fifth pairs represented by pale ovoid spots, third ones largest, obliquely arranged.
Genitalia
(
Figs 586
,
905–906
). Epigynal plate quadrangular, almost as wide as long; posterior margin rebordered, protruding over epigastric furrow. Internal genitalia without clear separation between insemination ducts and spermathecae. Spermathecae divided into upper and lower regions: upper part triangular in dorsal view, bluntly pointed, provided with triangular dorsal tubercle; lower part spherical.
Natural history.
Mallinella angustissima
sp. nov.
inhabits lowland evergreen rainforests.
Distribution.
Eastern Malay Peninsula and Tioman Island.