The Andean Goblin Spiders Of The New Genera Niarchos And Scaphios (Araneae, Oonopidae)
Author
Platnick, Norman I.
Author
Dupérré, Nadine
text
Bulletin of the American Museum of Natural History
2010
2010-12-08
2010
345
1
120
http://www.bioone.org/doi/abs/10.1206/727.1
journal article
10.1206/727.1
0003-0090
10112596
Scaphios orellana
,
new species
Figs. 867–889
TYPE: Male
holotype
taken in rainforest litter at an elevation of
295 m
at the
Estación Científica Yasuni
,
Río Tiputini
,
Puerto Francisco
de
Orellana
,
Parroquia
,
Puerto Francisco
de
Orellana
, 0.067428uS, 76.39764uW,
Orellana
,
Ecuador
(
Dec. 1–5, 2009
;
M. Ramírez
,
Niarchos Exped.
), deposited in
QCAZ
(PBI_OON 464)
.
ETYMOLOGY: The specific name is a noun in apposition taken from the
type
locality.
DIAGNOSIS: Males can be recognized by the reduced abdominal scuta (figs. 867, 873) and the relatively short distal portion of the embolus (figs. 875–879), females by the procurved transverse bar situated anteriorly of a much wider epigynal atrium (figs. 888, 889).
MALE (PBI_OON 464, figs. 867–879): Total length 1.32. PME oval; ALE separated by less than their radius; PLE-PME separat- ed by less than PME radius. Endites with anterior projections beaklike, directed laterally. Leg spination: tibiae IV v0-0-
1p.
Embolus relatively short, bent prolaterally at about 2/3 its length, tip bent, directed posteriorly; bulb tapering apically (figs. 875–879).
FEMALE (PBI_OON 465, figs. 880–889): Total length 1.56. Posterior eye row straight from above, procurved from front. Leg spination: tibiae IV v0-0-
1p.
Transverse bar at base of anterior projection relatively short, procurved, situated anteriorly of widely oval atrium (figs. 888, 889).
OTHER MATERIAL EXAMINED:
Ecuador
:
Orellana
:
Estación Científica Yasunı´
,
Río Tiputini
,
Puerto Francisco
de
Orellana
,
Parroquia
,
Puerto Francisco
de
Orellana
, 0.067428uS, 76.39764uW,
Dec. 1–5, 2009
, rainforest litter, elev.
295 m
(
M. Ramírez
,
Niarchos Exped., MACN PBI
_OON 465), 1
U
;
Reserva Etnica Waorani
,
1 km
S Onkone Gare Camp
, 0u39925.770S, 76u27910.80W,
Oct. 8, 1995
, elev.
215 m
(
T. Erwin
,
USNM
PBI_OON 469), 2
U
, same
Feb. 7, 1996
(
T. Erwin
,
USNM
PBI_OON 471), 1
U
, same,
June 26, 1996
(
T. Erwin
,
USNM
PBI_OON 473), 2
U
, same,
Oct. 4, 1996
(
T. Erwin
,
USNM
PBI_OON 472), 1
U
;
Tiputini Biodiversity Station
, near
Parque Nacional Yasunı´
, 0u379550S, 76u089390W,
July 1, 1998
, elev.
220–250 m
(
T. Erwin
,
USNM
PBI_ OON 468), 1
U
, same,
Oct. 24, 1998
(
USNM
PBI_OON 470), 1
U
.
Figs. 857–866.
Scaphios jatun
,
new species
, female.
857.
Habitus, dorsal view.
858.
Same, ventral view.
859.
Carapace, dorsal view.
860.
Sternum and mouthparts, ventral view.
861.
Habitus, lateral view.
862.
Same, anterior view.
863.
Carapace, lateral view.
864.
Epigastric region, ventral view.
865.
Genitalia, ventral view.
866.
Same, dorsal view.
Figs. 867–879.
Scaphios orellana
,
new species
, male.
867.
Habitus, dorsal view.
868.
Same, ventral view.
869.
Same, lateral view.
870.
Carapace, dorsal view.
871.
Habitus, anterior view.
872.
Carapace, lateral view.
873.
Epigastric region, ventral view.
874.
Sternum and mouthparts, ventral view.
875.
Embolus, prolateral view.
876.
Same, retrolateral view.
877.
Palp, prolateral view.
878.
Same, ventral view.
879.
Same, retrolateral view.
Figs. 880–889.
Scaphios orellana
,
new species
, female.
880.
Habitus, dorsal view.
881.
Same, ventral view.
882.
Carapace, dorsal view.
883.
Sternum and mouthparts, ventral view.
884.
Habitus, lateral view.
885.
Same, anterior view.
886.
Carapace, lateral view.
887.
Epigastric region, ventral view.
888.
Genitalia, ventral view.
889.
Same, dorsal view.
DISTRIBUTION: Known only from extremely lowland sites in
Orellana province
,
Ecuador
.