Psyra angulifera Walker 1866
Creators: name: Liu, Zulian
name: Xue, Dayong
name: Wang, Wenkai
name: Han, Hongxiang
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Geometridae
Psyra
Psyra angulifera

description: Psyra angulifera (Walker, 1866)
Figs 1–2, 25, 40, 53, 64
Scotosia angulifera Walker, 1866, List Specimens lepid. Insects Colln Brit. Mus., 35: 1687. Holotype 3, India: North Hindostan (BMNH).
Psyra angulifera: Prout, 1920, in Seitz, Macrolepid. World, 4: 410, pl. 24: g.
Material examined. INDIA (BMNH): 13 (Holotype), North India, BMNH (E)#1008371 (Geometridae genitalia slide no. 11632); 13, Darjiling, F. Möller, Rothschild Bequest B.M. 1939-1, BMNH (E)#1008372. CHINA: Hubei (IZCAS): 1Ƥ, Shennongjia, 950 m, 18.VII.1980. Sichuan (IZCAS): 13, Emei Shan, Jiulaodong, 1800–1900 m, 28.VII.1952, coll. Huang Keren; 13, same locality, 6.VII.1952, coll. Wang Zongyuan; 1Ƥ, Emei Shan, Qingyinge, 800–1000 m, 21.VI.1959, coll. Huang Keren; 13, Pingwu, Laohegou, Caiyuchang, 1630 m, 14.VIII.1999, coll. Zhou Xin (slide no. Geom-1997); 43, Yingjing, Siping, 1100 m, 24.VI.1984, coll. Liu Dajun (slide no. Geom- 1989). Yunnan (IZCAS): 13, Tengchong, Dahaoping, 2020 m, 24–26.V.1992, coll. Xue Dayong; 13, Tengchong, Heinitang, 1930 m, 28–30.V.1992; 13, Cangyuan, Fabao, 790 m, 21.V.1980, coll. Gao Ping; 13, Cangyuan, 1100 m, 16.V.1980, coll. Gao Ping. Tibet (IZCAS): 1Ƥ, Zham, 20.VII.1984, coll. Hu Shengchang (slide no. Geom- 1991).
Diagnosis. P. angulifera is distinguished by the clear golden brown borders to the black patches on the forewing, though its wing pattern is similar to P. szetschwana. These two species can be distinguished by the following characters: the ground colour of P. angulifera is much darker than that of P. szetschwana; the medial line on the hindwing in P. angulifera is not as distinct as in P. szetschwana. In the male genitalia, P. angulifera shares the characters of very narrow costal basal lobe and valva with P. szetschwana; the valva is almost straight in P.
angulifera but the tip is curved in P. szetschwana; the tip of the costal basal lobe is tapering in P. angulifera but swollen in the latter; in addition, the saccus is not expanded in P. angulifera but projects as a triangle in P. szetschwana; the aedeagus has two bundles of spines as in P. cuneata, P. szetschwana, P. gracilis, P. spurcataria and P. crypta, but bears more spines; the cornutus is less pointed and slender than in most other species, but as broad as in P. bluethgeni and P. breviprotrusa. In the female genitalia, the antrum and ductus bursae are broader than in most other species; the corpus bursae is much bigger and longer than the ductus bursae and antrum, while in other species, except for P. bluethgeni, the corpus bursae is quite small.
Distribution. China (Hubei, Sichuan, Yunnan, Tibet), India, Nepal.
description: Published as part of Liu, Zulian, Xue, Dayong, Wang, Wenkai & Han, Hongxiang, 2013, A review of Psyra Walker, 1860 (Lepidoptera, Geometridae, Ennominae) from China, with description of one new species, pp. 459-474 in Zootaxa 3682 (3) on pages 461-464, DOI: 10.11646/zootaxa.3682.3.7, http://zenodo.org/record/218673