Two newly recorded wolf spiders with one new species (Araneae, Lycosidae) from Korea
Author
Kim, Seung-Tae
Life and Environment Research Institute, Konkuk University, Seoul 05029, Republic of Korea
Author
Yoo, Jung Sun
Division of Animal Resources, National Institute of Biological Resources, Incheon 22689, Republic of Korea
text
Journal of Species Research
2019
8
3
283
287
journal article
10.12651/JSR.2019.8.3.283
2713-8615
13160967
Hygrolycosa umidicola
Tanaka, 1978
ệnjḥ1Hḍ (
Fig. 2A- J
)
Hygrolycosa umidicola
Tanaka, 1978
: p. 14
, 16, f. 1-6; Yaginuma, 1986: p. 169, f. 92;
Tanaka, 1990
: p. 123
, f. 1-4;
Tanaka, 2009
: p. 229
, f. 40-41;
Kim, Ye & Kim, 2015: 29
, f. 1-5 [“uncertain” after
Yoo
et al.
, 2015: 5
].
Material examined.
2 females
and
3 males
:
Songjeong-ri
,
Samsan-myeon
,
Haenam-gun
,
Jeollanam-do
,
Korea
(
34°31
ʹ
45
ʺ
N
,
126°34
ʹ
10
ʺ
E
),
07.vi.2015
(S.
T
. Kim)
.
Measurements (female/male).
Total length 7.95/6.45 (habitus). Carapace 3.20/3.20 long, 2.95/2.37 wide. ALE 0.13/0.12, AME 0.15/0.14, PLE 0.20/0.23, PME 0.25/ 0.23; ALE-AME almost contiguous/0.03, AME-AME 0.09/0.08. Chelicera 1.32/1.30 long, 0.65/0.50 wide. Endite 0.90/0.70 long, 0.60/0.45 wide. Labium 0.50/0.47 long, 0.42/0.39 wide. Sternum 1.60/1.40 long, 1.30/1.23 wide. Legs: I, 9.41/8.84 (2.50/2.44, 3.52/3.33, 2.11/1.92, 1.28/1.14); II, 9.28/8.68 (2.56/2.44, 3.39/3.22, 2.11/1.87, 1.22/1.14); III, 8.83/8.16 (2.56/2.34, 3.07/2.85, 2.11/1.92,
286 JOURNAL OF SPECIES RESEARCH
Vol. 8, No. 3
C A B F D E J G H I
Fig. 2.
Hygrolycosa umidicola
Tanaka, 1978
: A. Female body, dorsal view; B. Male body, dorsal view; C. Female eye area, frontal view; D. Female chelicera; E. Female endite, labium and sternum, ventral view; F. Epigyne, ventral view; G. Left palp, prolateral view; H. Same, ventral view; I. Same, retrolateral view; J. Median apophysis. MA, median apophysis. Scale bars in mm.
1.09/1.04); IV, 11.46/10.97 (3.01/2.86, 3.84/3.80, 3.20/3.02, 1.41/1.30). Palp 4.67/3.85 (1.66/1.30, 1.79/1.51, -, 1.22/1.04). Abdomen 4.15/3.10 long, 2.90/2.70 wide. Epigyne 0.78 long, 1.06 wide.
Description. Female:
Carapace light yellowish brown, oval, longer than wide, a dark yellowish brown median stripe extended to fovea and a pair of lateral stripes in head region, a pair of dark yellowish brown band extend- ed from PLE to the end of thoracic region, a pair of blackish brown lateral stripes in thoracic region. Longitudinal fovea needle-shaped (
Fig. 2A
). AME larger than ALE, AME separated from each other by the diameter of AME, AME separated from ALE by about a half diameter of AME, AER slightly recurved from frontal view (
Fig. 2C
). Clypeus blackish brown without marking. Chelicerae yellowish brown, dorsal base with two short black stripes longitudinally, 3 promarginal teeth and 3 retromarginal teeth (
Fig. 2D
). Endite dull yellowish brown. Labium dull yellowish brown with blackish brown margin. Sternum shield-shaped with pointed tip, longer than wide (
Fig. 2D
). Legs stout and strongly developed, yellowish brown, mottled, each segment with conspicuous spines. Abdomen ovoid, blackish brown, anterior part with cardiac pattern, no particular pattern visible, longer than wide (
Fig. 2A
). Epigyne elliptical and swollen with a transverse ‘U-shaped’ chitinous plate at lower part, median septum thick, spermathecae visible through integument laterally (
Fig. 2F
).
Male:
Similar to female, smaller and darker than female. Carapace blackish brown (
Fig. 2B
). Legs shorter and lighter than female. Palp yellowish brown with hookshaped median apophysis, base of median apophysis (
Fig. 2J
), palpal tibia longer than tarsus (
Fig. 2G- I
).
Distribution.
Korea
(confirmed),
Japan
.
Remarks.
This species was collected using a pitfall trap on a ridge between rice fields and seem to prefer habitats with relatively high humidity.