Taxonomic notes on the crab spider genus Oxytate L. Koch, 1878 (Araneae: Thomisidae) from India
Author
Sudhin, Puthoor Pattammal
0000-0002-0325-3981
sudhinpp @ gmail. com; https: // orcid. org / 0000 - 0002 - 0325 - 3981
sudhinpp@gmail.com
Author
Sen, Souvik
text
Zootaxa
2023
2023-07-13
5315
6
549
558
http://dx.doi.org/10.11646/zootaxa.5315.6.2
journal article
10.11646/zootaxa.5315.6.2
1175-5326
8142462
9569129E-685F-4EE1-B8A5-A9811A4C27B2
Oxytate greenae
(
Tikader, 1980
)
Figs 1E–I
,
5B–C
,
7
Dieta greenae
Tikader, 1980: 235
, figs 308–309 (description and illustrations of female).
Sen
et al
. 2015: 61
, figs 309–313 (description and illustrations of female).
Type material.
Holotype
female from
INDIA
:
South Andaman
:
Chiriatapu
,
29 May 1971
, leg.
B.K. Tikader
(
NZC-ZSI
,
Kolkata
,
Regd. No.
4578/18), examined.
Diagnosis
. The female copulatory organ of
O. greenae
is most similar to that of
O. elongata
, from which it can be easily distinguished by the antero-medially placed hood (anteriorly in
O. elongata
), relatively shorter copulatory duct (elongated in
O. elongata
), and more elongated spermathecae (kidney-shaped in
O. elongata
) (
Figs 1G–H
,
2C–D, G–H
,
5B–E
).
Redescription.
Female (
holotype
,
Figs 1E–I
,
5B–C
). Measurements: Body length 9.73. Carapace length 3.35, width 3.12. Abdomen length 6.15, width 2.91. Eye diameters: ALE 0.09. AME 0.06. PLE 0.08. PME 0.06. Eye interdistances: AME–AME 0.17, ALE–AME 0.17, PME–PME 0.18, PLE–PME 0.36, ALE–PLE 0.27, AME–PME 0.23, ALE–ALE 0.61, PLE–PLE 0.27, AME–PLE 0.52, ALE–PME 0.23. Measurements of legs: I 12.51 [3.81, 1.22, 3.58, 2.75, 1.15], II 12.39 [3.71, 1.48, 3.48, 2.61, 1.11], III 6.75 [1.99, 0.80, 1.76, 1.35, 0.85], IV 6.59 [2.15, 0.68, 1.81, 1.19, 0.76]. Leg formula: 1234. Spination. Legs: femur I pl 4 rl 2 do 4 plv 2, II pl 4 rl 4, III–IV pl 2 rl 2; patella I–II pl 1 rl 1 III do 2; tibia I–II pl 2 rl 2 plv 4 rlv 4, III–IV pl 2 rl 2; metatarsus I–II pl 2 rl 2 plv 3 rlv 3, III–IV pl 2 rl 2; tarsus I–IV spineless. Colour in alcohol: carapace light reddish-yellow (
Fig. 1E
). Eyes located on tubercles (
Fig. 1E
). Chelicerae, endites, and labium light yellow (
Fig. 1F
). Sternum yellowish-white (
Fig. 1F
). Abdomen yellowish-white, antero-dorsally with a longitudinal median stripe (
Fig. 1E
). Spinnerets and legs light yellow. Epigyne as shown in
Figs 1G–H
,
5B–C
: epigyne with strongly sclerotized anterior hood; copulatory openings oriented antero-medially, located in the middle of the epigyne (
Figs 1G
,
5B
); copulatory duct long, initially sclerotized, then looped inwards, distal part leading forward and connected to the anterior part of spermathecae (1G–H, 5B–C); spermathecae elongated, and kidney-shaped (
Figs 1H
,
5C
).
Male.
Unknown.
Distribution.
India
: Andaman Island,
West Bengal
(
Tikader 1980
; Sen
et. al
. 2015) (
Fig. 7
).