Five new species and new records of the spider genus Stemmops (Araneae, Theridiidae, Spintharinae) from Brazil
Author
Santanna, Manoela
Author
Rodrigues, Everton Nei Lopes
text
Zootaxa
2018
2018-11-21
4524
2
174
186
journal article
27931
10.11646/zootaxa.4524.2.2
44a52693-984e-4c6f-838a-b7b9ea950d45
1175-5326
2610417
F904B4DB-8F5B-46ED-9973-3A1D53BCFC6E
Stemmops guapiacu
new species
Figs. 8, 9
,
16
,
25
Type material.
Holotype
.
BRAZIL
:
Rio de Janeiro
,
Cachoeiras de Macacu
,
Reserva Ecológica de Guapiaçu
,
22°25’S–
42°44’W
,
08.XI.2001
,
Equipe Biota
leg., night manual collection, 1F (
IBSP 215208
)
.
Paratype
.
BRAZIL
:
Paraíba
,
Areia
,
Reserva do Pau Ferro
,
06°57’S–
35°44’W
,
23–29.IX.1999
,
A. D. Brescovit
leg., pitfalltrap, 1F (
IBSP 50483
)
.
Etymology.
The species name is a noun in apposition taken from the
type
locality.
Diagnosis.
The female of
Stemmops guapiacu
new species
resembles that of
S. cryptus
Levi, 1955
(see
Levi 1955
, figs. 23, 24), by the presence of two oval spermathecae in ventral view, but differ by the shape of fertilization ducts longs, overlaps the copulatory ducts in the median portion (
Figs. 8, 9
).
Description.
Female
paratype
(from Reserva Ecológica Guapiaçu, IBSP 215208): Total length 1.36. Carapace: length 0.56, width 0.48. Clypeus: height 0.06. Sternum: length 0.18, width 0.2. Chelicerae: length 0.16, width 0.08. Abdomen: length 0.56; width 0.52; height 0.44. Leg formula IV/I/II/III. Segment length (I/II/III/IV): femora 0,54/0,42/0,31/0,52; patellae+tibiae 0,63/0,50/0,44/0,67; metatarsi+tarsi 0,63/0,0,56/0,58/0,71; total: 1,80/ 1,49/1,34/1,91. Palp: femora 0.08, patellae 0.06, tibiae 0.10, tarsi 0.06. ALE smaller. PME separated from each other by 0.06. Carapace oval (
Fig. 16
), pale yellow, darkened in median portion after PME and laterals, Clypeus concave, laterally. Chelicerae yellow. Labium subtriangular yellow. Endites yellow. Ocular region dark except between PME. Sternum yellow, with lateral dark dots. Legs pale yellow. Abdomen oval (
Fig. 16
), grey with a pale yellow spot above spinnerets, venter lighter.
Male. Unknown.
Distribution
.
Brazil
(
Paraíba
and
Rio de Janeiro
,
Fig. 25
)