Noideattella and Tolegnaro, Two New Genera of Goblin Spiders from Madagascar, with Comments on the Gamasomorphoid and Silhouettelloid Oonopids (Araneae, Oonopidae)
Author
Álvarez-Padilla, Fernando
Author
Ubick, Darrell
Author
Griswold, Charles E.
text
American Museum Novitates
2012
2012-05-25
2012
3745
1
76
http://www.bioone.org/doi/abs/10.1206/3745.2
journal article
2558
10.1206/3745.2
25e1eb0b-a2ad-4c0f-aaec-21d56c6fde5e
0003-0082
5360355
Noideattella gamela
,
new species
Figures 61–88
,
99–105
,
373
TYPES
:
Male
holotype
and female
allotype
from
Berlese and sifted leaf litter of a montane rainforest
at an elevation of
1075 m
at
Ambatovy
,
18°51′3″S
,
48°19′17″E
,
Toamasina
(
21 March 2004
, Malagasy ant team) deposited in
CASC
(
PBI_OON 00036157
). The species epithet, a noun in apposition, is taken for the Malagasy word for
bucket
.
DIAGNOSIS:
N. gamela
can be differentiated from other
Noideattella
species
by the following combination of characters: habitus color dark brown; carapace pars cephalica and sides smooth (figs. 64,
76
) or with very weak granulate texture (visible only with SEM:
figs. 75
, 79); sternum microsculpture finely reticulate distributed medially and in furrows (figs. 65,
77, 78
). Book lung covers large and ovoid (figs. 62, 100); male leg I and II metatarsi with two pairs of spines (figs. 102, 103); embolus ventral lamella with a flat curved apophysis (figs. 66, 68). The female of this species and
N. famafa
are morphologically identical and only present differences in phenology, with adults of
N. gamela
found from November to March, whereas
N. famafa
females are found in September.
DESCRIPTION:
Male:
Total length 2.5.
Cephalothorax:
Sternum as long as wide, brown, without pits, anterior margin with continuous transverse groove (figs. 65,
77, 78
). Mouthparts: Chelicerae, endites, and labium brown. Cheliceral paturon inner margin lacks modified seta, with scattered setae (fig. 67).
Abdomen:
ovoid. Pedicel with a line of denser setae around the pedicel (fig. 100). Dorsal scutum brown, middle surface smooth, sides smooth. Postepigastric scutum brown, long, semicircular, covering nearly full length of abdomen (figs. 62, 63, 99). Male genital opening slightly protruded, epigastric scutum apodemes not easily visible, contiguous with the anterior book lung opening and inside a deep furrow. Posterior spiracles connected by a groove (
figs. 74
, 99).
Legs:
Dark red-brown, femora and basal half of tibiae darkened (figs. 102–105). Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: I p0-1-1; r1-1-1; II p1-1-0; r1-1-0; IV p0-0-1; metatarsi: I, II p1-1- 0; r1-1-0. Trichobothria on tibiae: I three, IV three, trichobothria base longitudinally narrowed, aperture internal texture gratelike, hood covered by numerous low, closely spaced ridges. Tarsal organ with two sensilla visible.
Genitalia:
Epigastric region with sperm pore situated in front of anterior spiracles (
fig. 74
). Palp proximal segments pale brown; cymbium pale brown, with distal patch of setae; bulb pale brown (figs. 66, 68). Embolus dorsal lamella with at least two distal apophyses (fig. 85), ventral lamella with three apophyses (fig. 88). Palp as in figures 81, 86, and 87.
Female
(PBI_OON 0003295): Total length 2.4. As in male except as noted.
Abdomen:
Pedicel surrounded by line of denser setae.
Legs:
Tibia I Emerit’s glands present, metatarsi III and IV weak ventral scopula absent, tibiae Emerit’s glands very shallow and difficult to see. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: I, II p2-1-1; r1-1-1; IV p0-0-1; metatarsi: I, II p1-1-0; r1-1-0. Trichobothria absent from metatarsi I and IV.
Genitalia:
Genital opening slit shaped (
fig. 73
). Sperm sac secretory gland openings flat, extending all over receptaculum posterior surface, GAp process shaped as a twisted tube (
figs. 71, 72
). Genitalia as in figures 69 and 70.
Figs. 61–70.
Noideattella gamela
,
new species
.
61.
Habitus male, dorsal view.
62.
Same, ventral view.
63.
Same, lateral view.
64.
Cephalothorax, dorsal view.
65.
Same, ventral view.
66.
Palp male, prolateral view.
67.
Cephalothorax male, anterior view.
68.
Palp male, retrolateral view.
69.
Genitalia female, ventral view.
70.
Same, dorsal view. Scale bars =
0.2 mm
, except genitalia:
0.1 mm
.
Figs. 71–78.
Noideattella gamela
,
new species
.
71.
Genitalia female, dorsal view.
72.
Same, anterodrosal view.
73.
Epigastric region female, ventral view.
74.
Same male, ventral view.
75.
Cephalothorax male, lateral view.
76.
Same, dorsal view.
77.
Infracoxal grooves male, ventral view.
78.
Cephalothorax male, ventral view. Scale bars = 50 µm.
Figs. 79–88.
Noideattella gamela
,
new species
.
79.
Cephalothorax pars thoracica male, lateral view.
80.
Labium female.
81.
Palp male, apical view.
82.
Palp tarsus female, apical view.
83.
Claws and tarsal organ leg
1 female
.
84.
Abdomen setae male, dorsal view.
85.
Embolus, retrolateral view.
86.
Palp male, prolateral view.
87.
Same, retrolateral view.
88.
Embolus, prolateral view. Scale bars = 10 µm, except 148, 153–154: 50 µm.
VARIATION: The coloration varies from brown to red-brown among specimens. Female leg I: spine number varies from two to three on the prolateral side, leg II: tibial spine number varies from two to one on the prolateral side, even within the same specimen (PBI_OON 00003293). Female spines on tibia retrolateral side of legs I and II vary from two to one. Male leg II tibial spine number varies from three to four on the prolateral surface.
MATERIAL EXAMINED:
N
= 18.
Madagascar
:
Antananarivo
:
3 km
41° NE Andranomay,
11.5 km
147° SSE Anjozorobe, montane rainforest,
1300 m
,
S18.47333°
,
E47.96000°
,
Dec. 05–13, 2000
,
Fisher-Griswold Arthropod Team
,
2♀
(
CASC PBI
_
OON 3923
)
.
Antsiranana
:
Marojejy Reserve
,
8.4 km
NNW Manantenina
,
700 m
,
S14.43333°
,
E49.75000°
,
Nov. 10–16, 1993
,
J. Coddington
,
S. Larcher
,
C. Griswold
,
R. Andriamasimanana
,
N. Scharff
,
1♀
(
CASC
PBI
_
OON
3466
)
;
Parc National de Marojejy
,
Antranohofa
,
26.6 km
31° NNE Andapa
,
10.7 km
318° NW
Manantenina
, montane rainforest,
1325 m
,
S14.00722°
,
E49.01222°
,
Nov. 18, 2003
, Fisher-
Griswold Arthropod
team,
1♀
(
CASC
PBI
_
OON
3562
)
.
Fianarantsoa
:
Ranomafana National Park
,
Talakely
, mixed tropical forest,
900 m
,
S21.41735°
,
E47.69916°
,
Jan. 07–17, 2001
,
D.H. and K.M. Kavanaugh
,
R.L. Brett
,
E. Elsom
,
F. Vargas
,
1♀
(
CASC
PBI
_
OON
3959
)
.
Toamasina
:
Ambatovy
, montane rainforest,
1075 m
,
S18.85083°
,
E48.32139°
,
Mar. 21, 2004
,
Malagasy
ant team,
1♂
(
CASC
PBI
_
OON
3573
)
;
Montagne d’Anjanaharibe
, 18.0 km 21° NNE
Ambinanitelo
, rainforest,
470 m
,
S15.18833°
,
E49.61500°
,
Mar. 08–12, 2003
,
Fisher-Griswold Arthropod Team
,
1♂
(
CASC
PBI
_
OON
3531
)
;
Montagne d’Anjanaharibe
,
19.5 km
27° NNE Ambinanitelo
, montane rainforest,
1100 m
,
S15.17833°
,
E49.63500°
,
Mar. 12–16, 2003
,
Fisher-Griswold Arthropod Team
, 2 mixed (
CASC
PBI
_
OON
3568
)
;
Parc National Masoala
,
Ambohitsitondroina
,
Mt
,
Ambanizana
, rainforest,
900 m
,
S15.57166°
,
E50.00583°
,
Feb. 26, 2003
,
D. Andriamalala
,
D. Silva
, et al.,
1♀
(
CASC
PBI
_
OON
3293
)
;
Parc National Masoala
,
Ambohitsitondroina
,
Mt
,
Ambanizana
, rainforest,
700 m
,
S15.56941°
,
E50.00341°
,
Mar. 01, 2003
,
D. Andriamalala
,
D. Silva
, et al.,
1♀
(
CASC
PBI
_
OON
3294
)
;
2 mixed (
CASC
PBI
_
OON
3295
)
;
Reserve Analamazaotra
,
Parc National Andasibe
, 23 road km E
Moramanga
, rainforest,
960 m
,
S18.94394°
,
E48.41755°
,
Jan. 16–18, 2003
,
C. Griswold
,
D. Silva
,
D. Andriamalala
,
1♂
(
CASC
PBI
_
OON
3335
)
;
Torotorofotsy
, montane rainforest,
1070 m
,
S18.87083°
,
E48.34750°
,
Mar. 24, 2004
,
Malagasy
ant team, 2 mixed (
CASC
PBI
_
OON
3549
)
.