The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae)
Author
Huang, Jia-Yi
https://orcid.org/0009-0005-4612-5313
College of Life Sciences, Shanghai Normal University, 100 Guilin Road, 1 st Educational Building 323 Room, Shanghai, 200234, China
Author
Chen, Jia-Wei
https://orcid.org/0009-0001-4757-9406
Diaoluoshan Branch, Hainan Tropical Rainforest National Park Administration, Lingshui County, Hainan, 572400, China
Author
Tang, Liang
0000-0002-6731-4544
College of Life Sciences, Shanghai Normal University, 100 Guilin Road, 1 st Educational Building 323 Room, Shanghai, 200234, China
text
ZooKeys
2024
2024-09-16
1212
129
141
journal article
10.3897/zookeys.1212.128295
DF37117E-FC2E-4CE1-8790-6984780771CA
Platydracus juang
Smetana, 2005
Figs 2
,
9–12
Platydracus juang
Smetana, 2005: 22
;
Xu and Tang 2019: 185
;
Hu 2020: 346
; Zhou Zhao and Tang 2024: 508.
Material examined.
China
–
Hainan Prov.
•
1 ♂
;
Jianfengling
N.
R
.
, decaying log;
15 Nov. 2009
;
Wen Dong
leg.;
SHNU
•
1 ♀
;
Diaoluoshan
N.
R
.
; alt.
1000 m
;
Dec. 2022
;
Zhou
&
Cai
leg.;
SHNU
•
1 ♀
;
Ledong County
,
Jianfengling
N.
R
.
,
Mingfenggu
, rainforest, decaying log;
18 ° 44 ' 30 ″ N
,
108 ° 50 ' 29 ″ E
; alt.
995 m
;
26 Jan. 2015
;
Peng
,
Yin
,
Tu
,
Song
,
Shen
,
Zhou
&
Wang
leg.;
SHNU
•
1 ♀
;
Lingshui County
;
Diaoluo Shan
N.
R
.
; alt.
900 m
;
22 May 2014
;
Qiu-Jian Yue
leg.;
SHNU
.
Measurements.
Male
:
BL
:
13.4–19.3 mm
,
FL
:
6.89–10.55 mm
.
HL
:
1.60–2.65 mm
,
HW
:
1.91–2.84 mm
,
EYL
:
0.62–0.80 mm
,
TL
:
0.74–1.23 mm
,
PL
:
2.28–3.39 mm
,
PW
:
2.10–3.15 mm
,
EL
:
2.71–4.07 mm
,
EW
:
2.59–3.95 mm
.
HW
/
HL
: 1.07–1.19,
TL
/
EYL
: 1.20–1.54,
PL
/
PW
: 1.08–1.15,
EL
/
EW
: 1.03–1.07.
Female
:
BL
: 12.3–20.0 mm,
FL
: 7.00–
9.67 mm
.
HL
:
1.60–2.16 mm
,
HW
:
1.97–2.59 mm
,
EYL
:
0.56–0.74 mm
,
TL
:
0.74–1.05 mm
,
PL
:
2.34–3.15 mm
,
PW
:
2.10–2.78 mm
,
EL
:
2.71–3.70 mm
,
EW
:
2.53–3.58 mm
.
HW
/
HL
: 1.17–1.23,
TL
/
EYL
: 1.33–1.42,
PL
/
PW
: 1.11–1.13,
EL
/
EW
: 1.03–1.07.
Diagnosis.
The species is similar to
P. brachycerus
Smetana & Davies, 2000
, in most aspects, but it can be distinguished from the latter by the more rounded temples, longer pronotum, and sparser punctation of the head.
Distribution.
China
(
Anhui
,
Fujian
,
Guangdong
,
Guangxi
,
Hainan
,
Hunan
,
Jiangxi
,
Taiwan
, Zhejiang).