A review of Euryobeidia Fletcher, 1979 (Lepidoptera, Geometridae, Ennominae), with description of three new species
Author
Han, Hongxiang
text
Zootaxa
2017
2017-04-04
4317
2
370
378
journal article
32224
10.11646/zootaxa.4317.2.11
61d7b90e-5d11-4645-ab2b-fef3887fb56b
1175-5326
884198
26874E49-D9Cc-4266-88Bd-Fedbe96E4114
Euryobeidia quadrata
Xiang & Han
sp. nov.
Figs 11–14
,
19, 24, 29
,
33
Description.
Head.
Antenna filiform in both sexes. Frons pale yellow, with a large dark grey spot at middle, not protruding. Labial palpus pale yellow, slightly extending beyond frons; third segment not extending frons in female. Vertex, tegula and patagia pale yellow; patagia with a grey spot at middle.
Thorax.
Dorsal side pale yellow; two dark grey spots present, one on prothorax and another on metathorax. Hind tibia with two pairs of spurs in both sexes, not dilated and without hair-pencil in male. Forewing length: male
19–21 mm
; female
21–23 mm
. Outer margin of forewing arc-shaped slightly, that of hindwing rounded; both wings not elongated, with apex rounded. Forewing mostly orange-yellow, with posterior base white; wing base scattered with lots of small dark grey spots, sometimes contacted with each other and form patches; antemedial line appearing as three large dark grey spots; postmedial line presented as six dark grey spots, posterior three larger, protruding outwards among M veins; discal spot a dark grey spot; terminal area decorated many small dark grey spots; terminal line appearing as a row of dark grey spots; fringes dark grey corresponding to those spots, pale yellow between veins. Hindwing with large basal area white, terminal half orange-yellow; spots on hindwing identical with those on forewing, but antemedial line absent; the first two and middle two spots of postmedial line commonly mixed together; terminal line and fringes identical with forewing. Underside of forewing identical to upperside; underside of hindwing identical to upperside, but costa tinged with pale yellow.
Abdomen.
Abdomen with dorsal side pale yellow; a dark grey spot present at middle of each segment respectively. Third sternite of male abdomen without setal comb.
Male genitalia.
Uncus short, broad basally, narrow and pointed apically; dorsal side bearing setae and an extremely developed quadrate process; gnathos weak; valva narrow and long, tapering and slightly curved, with a row of dense setae from base to apex; costa with a tiny process at the apex; saccus rounded terminally; juxta weak, groove-shaped. Aedeagus broad basally and slightly bended, ending in a quadrate sclerite; cornuti as in
E. ellipsoidea
, composed of two parts, one small process and one sclerotized patch on vesica.
Female genitalia.
Papillae analis short and oval. Apophyses anteriores short, about 1/4 length of apophyses posteriores; a triangular sclerite present between the bases of apophyses posteriores. Lamella antevaginalis well developed, appearing as two approximately semicircle sclerites, margin not smooth; lamella postvaginalis an Mshaped sclerite. Ostium wide-open, ductus bursae sclerotized, scobinate inside; corpus bursae nearly oval, the upper half bearing lots of spines inside, the lower half membranous.
FIGURES 1–14.
Adults. 1–2.
Euryobeidia languidata
. 1, male (Fujian); 2, female (Fujian); 3.
E. languidata yakushimensis
, male (holotype, Yakushima, BMNH); 4–5.
E. ellipsoidea
sp. nov.
4, male (holotype, Sichuan); 5, female (Sichuan); 6.
E. incrassata
sp. nov.
male (holotype, Hainan); 7–10
E. largeteaui
. 7, male (Zhejiang); 8, ditto, underside; 9, female (Zhejiang); 10, ditto, underside; 11–14.
E. quadrata
sp. nov.
11, male (holotype, Zhejiang); 12, ditto, underside; 13, female (Zhejiang); 14, ditto, underside; Scale bar = 1 cm.
FIGURES 15–29.
Male genitalia. 15,
Euryobeidia languidata
(Fujian)
; 16,
E. ellipsoidea
sp. nov.
(paratype, Sichuan); 17,
E. incrassata
sp. nov.
(paratype, Hainan); 18,
E. largeteaui
(Guangxi)
; 19,
E. quadrata
sp. nov.
(paratype, Zhejiang); 20–24. Aedeagus. 20,
E. languidata
; 21,
E. ellipsoidea
sp. nov.
(paratype); 22,
E. incrassata
sp. nov.
(paratype); 23,
E. largeteaui
; 24,
E. quadrata
sp. nov.
(paratype); 25–29. Lateral view of uncus. 25,
E. languidata
; 26,
E. ellipsoidea
sp. nov.
(paratype); 27,
E. incrassata
sp. nov.
(paratype); 28,
E. largeteaui
; 29,
E. quadrata
sp. nov.
(paratype). Scale bars = 1 mm.
Diagnosis.
On the wing pattern,
E. quadrata
is very close to
E. largeteaui
. But it can be distinguished by the following characters: the posterior half of the forewing base is white, whereas the forewing is entirely orangeyellow in
E. largeteaui
. In the male genitalia, the dorsal process of the uncus is larger and more developed than
E.
largeteaui
. The small process at the tip of the costa is not as pointed as in
E. largeteaui
. The aedeagus ends in a quadrate sclerite, which is different from the hook-like process in
E. largeteaui
. In the female genitalia, the lamella antevaginalis is approximately two semicircle sclerites instead of a triangular sclerite in
E. largeteaui
. The lamella postvaginalis of
E. quadrata
is an M-shaped sclerite, but it is absent or tiny in
E. largeteaui
.
Type-material examined.
Holotype
,
♂
(
IZCAS
),
CHINA
:
Zhejiang
:
Taishun
,
Wuyanling
,
Shuangkengkou
,
680 m
,
29.VII.2005
, coll.
Lang Songyun.
Paratypes
:
CHINA
:
Zhejiang
(
IZCAS
):
5♂
, Qingyuan, Fengyangshan, Datianping,
1290 m
,
6–10.VIII.2003
, coll.
Han Hongxiang
; 1♀, Qingyuan, Baishanzu,
1856 m
,
12–13.VIII.2003
, coll. Han Hongxiang; 1♂3♀, Taishun, Wuyanling, Shuangkengkou,
680 m
,
28.VII.2005
, coll. Lang Songyun; 1♀, Taishun, Wuyanling, Ankengqiao,
400 m
,
1.VIII.2005
, coll. Lang Songyun; 1♀, Taishun, Wuyanling, Shangfengxiang,
1050 m
,
30.VII.2005
, coll. Lang Songyun; 1♀, Jingning, Wangdongyang Alpine Wetlands,
1010 m
,
7.VIII.2016
, coll. Li Xinxin; 2♀, Jingning, Caoyutang Forest Park,
9.VIII.2016
, coll. Li Xinxin.
Hubei
(
ZFMK
):
1♂
, Wufeng, Yizhuxiang,
1560 m
,
VI.1998
, leg.
Wang
&
Li
(or local collectors).
Jiangxi
(
IZCAS
):
2♀
,
Dayu
,
14.VI.1977
; 1♀, Jiulianshan,
8.VI.1975
, coll. Zhang Baolin.
Fukien
[
Fujian
] (
ZFMK
):
1♂
2♀
,
Shaowu
,
500 m
,
25.V.1937
(
♀
),
2.VI.1937
(
♂
),
J. Klapperich.
Guangdong
(
IZCAS
):
2♂
, Renhua, Danxiashan,
130 m
,
28.V.2013
, coll.
Cheng Rui
;
1♀
,
Lofau
(
Luofu
),
VII.1929
(
ZFMK
).
Guangxi
(
IZCAS
):
1♂
, Mao’ershan, Jiuniutang,
1100 m
,
13.VII.1985
, coll.
Fang Chenglai
.
Sichuan
(
IZCAS
):
1♂
,
Emeishan
,
580 m
,
26.VI.1955
, coll.
Huang Tianrong
; 1♀, Emeishan, Linggongli,
1288 m
,
31.VI.2013
, coll. Cheng Rui; 1♂, Ginfu-Shan, Kr. Nanchuan, S.O. Szechuan,
VI.1932
, leg. Friedrich, coll. Wehrli (ZFMK).
Distribution.
China
(
Zhejiang
,
Hubei
,
Jiangxi
,
Fujian
,
Guangdong
,
Guangxi
,
Sichuan
).
Etymology.
This species name refers to the shape of the developed quadrate dorsal process of the uncus in the male genitalia.