Five new species of Bradina Lederer (Lepidoptera, Crambidae) from China, with remarks on the morphology of the genus
Author
Guo, Jia-Ming
College of Plant Protection, Southwest University, Chongqing, China
Author
Du, Xi-Cui
https://orcid.org/0000-0002-7796-7303
College of Plant Protection, Southwest University, Chongqing, China
duxicui@hotmail.com
text
ZooKeys
2023
2023-04-19
1158
49
67
http://dx.doi.org/10.3897/zookeys.1158.99411
journal article
http://dx.doi.org/10.3897/zookeys.1158.99411
1313-2970-1158-49
A3AD0A1D91784B91BC2C0C1A1AC65312
AC8C82934E2E5910BD3A6B504A96AEDF
Bradina translinealis Hampson, 1896
Figs 2G
, 5A-F
Bradina translinealis
Hampson, 1896: 228. Type locality: N. W. Himalayas. Type depository: NHMUK.
Material examined.
Holotype
,
♂
. Moore Coll. 94-106, genitalia slide no. 8734. (NHMUK).
Additional material.
China
,
Yunnan Prov.
,
5 ♂♂
,
2 ♀♀
,
Baihualing Village
,
Baoshan City
, alt.
1520 m
,
11-13 August 2007
,
Dan-Dan Zhang
leg., genitalia slide no.:
GJM21165
♂
,
GJM21166
♂
,
GJM21167
♀
,
GJM21182
♀
.
Redescription.
Adult
(Fig.
2G
). Wingspan 25.0-30.0 mm, forewing length 12.0-13.0 mm. Frons brown, with lateral sides yellowish white above. Vertex yellowish white. Antenna brownish yellow, with brown ring dorsally; ventral cilia c. quarter length of flagellomere diameter of male. Labial palpus with basal two thirds white, black-brown distally. Maxillary palpus black-brown, yellowish white at base. Patagium and tegula pale brown. Thorax pale brown dorsally, white ventrally. Forewing yellowish brown, dark brown along basal half of costa; stigmata and lines black-brown; discoidal stigma reniform; postmedial line at c. two thirds of wing, slightly excurved near costa. Hindwing pale yellowish brown dorsally, yellowish white to pale brown ventrally; paler at base; postmedial line pale brown, inconspicuous, extending beyond basal half of wing. Cilia pale brown on forewing, yellowish white on hindwing, a brown line at base. Legs yellowish white. Front and middle tibiae brown; hind tibia with outer middle spurs c. half-length of inner spurs. Abdomen pale yellowish brown dorsally, yellowish white ventrally.
Male genitalia
(Fig.
5A-C
). Valva nearly elliptical, bearing dense long setae distally; costa arched near middle and accompanied by a cluster of long setae; sacculus gradually narrowed distally, without long setal cluster. Phallus with one fusiform cornutus medially, composed of short and blunt spines, c. one fifth length of phallus; posterior half slightly inflated, and with two weakly sclerotized lamellar cornuti posteriorly.
Figure 5.
Genitalia of
Bradina
species
A-F
B. translinealis
A-C
male, slide no. GJM21165
D-F
female, slide no. GJM21167
G-K
B. ternifolia
sp. nov.
G, H
male, holotype, slide no. GJM21173
I-K
female, paratype, slide no. GJM21178
B, C, H
partial enlargement of phallus
E, J
partial enlargement of ductus bursae
F, K
signum. Scale bars: 0.2 mm (
B, C, F, K
); 0.5 mm (
A, E, G, H, J
); 1.0 mm (
D, I
).
Female genitalia
(Fig.
5D-F
). Antrum broad and sclerotized, strongly sclerotized laterally, anteriorly adjoined by colliculum. Posterior ductus bursae slender, inflated, widened close to corpus bursae. Corpus bursae nearly oval, truncated terminally; with dense tiny spines inside, transverse signum crescent and densely spinose.
Distribution.
China (Yunnan), N. W. Himalayas.
Remarks.
This species is first recorded in China and its genitalia are described for the first time. It can be distinguished by the valva being nearly elliptical, the phallus with one fusiform cornutus medially and two weakly sclerotized lamellar cornuti posteriorly.