On the Neotropical spider Subfamily Masteriinae (Araneae, Dipluridae)
Author
Passanha, Victor
Author
Brescovit, Antonio D.
text
Zootaxa
2018
2018-08-30
4463
1
1
73
journal article
29380
10.5281/zenodo.1441911
2bc1e4d3-59c5-4f54-91da-3daf478277d6
1175-5326
1441911
20E7F0F5-7592-47CE-B67F-36DE0124E76F
Striamea magna
Raven, 1981
(
Figs 38
,
39
)
Striamea magna
Raven, 1981
: 61
, figs 8–12, 24.
Type
.
COLOMBIA
.
♀
holotype
,
Sierra Nevada de Santa Marta
(
11°14’10”N
;
74°12’6”W
),
Sierra Cinai
,
Magdalena
,
26.IV.1975
,
J. A. Kochalka
leg. deposited in
AMNH
, examined).
Diagnosis
. Females of
Striamea magna
differ from those of
S. gertschi
in being 2–3 times larger and they have a rounded and voluminous spermathecae with inconspicuous duct (
Fig. 38B
). Males are unknown.
Redescription
. Female
Holotype
. Color: Chelicerae dark brown. Carapace with 6–7 spotted streaks, dark brown, interleaved with 6–7 spotted streaks light brown, abdomen in dorsal view brown, without ornamentation. Carapace and abdomen in ventral view brown. Total length 8.98. Carapace 3.38 long, 3.32 wide. Abdomen 5.60 long. Fovea 0.15. Clypeus 0.09. Ocular tubercle 0.47 long, 0.66 wide. Eyes: eight, posterior row strongly recurved (
Fig. 38A
). AME 0.06, ALE 0.25, PME 0.14, PLE 0.25. Basal segment of chelicerae with 8 big teeth prolaterally and 10 smaller mesobasal teeth, with 4 smaller teeth. Labium 0.40 long, 0.83 wide. Sternum 1.75 wide, 2.18 long. Palp: femur 2.20/ patella 1.20/ tibia 1.64/ tarsus 1.52/ total 6.56; Legs I: femur 3.40/ patella 1.88/ tibia 2.80/ metatarsus 2.52/ tarsus 1.62/ total 12.22; II: 3.00/ 1.60/ 1.92/ 2.00/ 1.32/ 9.84; III: 2.72/ 1.48/ 1.88/ 2.16/ 1.20/ 9.44; IV: 3.52/ 1.72/ 3.04/ 2.96/ 1.40/ 12.64; Leg formula 4123. Spination: see
Raven 1981
. Palpal claw with 14 teeth. Spermathecae unilobed, dome-shaped. Glandular region little evident (
Fig. 38B
). PLS: basal, medial and apical, 1.32, 0.84, 1.08 long.
Distribution
. Known only from
type
locality in
Colombia
(
Fig. 39
).