Ypsolopha strigosa (Butler, 1879)

(Figs 35, 85, 135, 181)

Cerostoma strigosa Butler, 1879: 81; Matsumura, 1905: 237; Matsumura, 1907: 208; Meyrick, 1914: 52; Issiki, 1932: 1490; Caradja, 1939: 14; Issiki, 1950: 447; Issiki, 1957: 21.

Theristis strigosa (Butler): Matsumura, 1931: 1104.

Ypsolophus strigosa (Butler): Inoue, 1954: 35.

Ypsolophus strigosus (Butler): Moriuti, 1964: 207; Yang, 1977: 105.

Ypsolopha strigosus (Butler): Moriuti, 1977: 103; Moriuti, 1982: 211.

Type locality: Japan.

Adult (Fig. 35): Wing expanse 20.0−24.0 mm. Forewing with CuA1 and CuA2 separated (Fig. 85).

Material examined. 1 ♂, Jiyuan (35°04′ N, 112°35′ E), Henan Province, 700 m, 6.vi.2000, coll. Meicai Wei; 1 ♀, Mt. Song, Dengfeng County (34°27′ N, 113°02′ E), Henan Province, 800 m, 9.vi.2000, coll. Haili Yu; 2 ♂♂, 2 ♀♀, Mt. Wangwu, Jiyuan (35°04′ N, 112°35′ E), Henan Province, 1400 m, 19.vi.2000, coll. Haili Yu; 3 ♂♂, Mt. Qian (40°17′ N, 122°40′ E), Anshan, Liaoning Province, 7.vii.2010, coll. Jiayu Liu & Yanpeng Cai; 1 ♀, Mt. Li, Jincheng (35°30′ N, 112°51′ E), Shanxi Province, 1520 m, 16.viii.2006, coll. Xu Zhang & Haiyan Bai; 46 ♂♂, 32 ♀♀, Mt. Baxian, Tianjin (39°02′ N, 117°12′ E), 500−550 m, 23.vii.2001 − 11.ix.2005, coll. Houhun Li et al.; 3 ♂♂, Heishuihe, Mt. Baxian, Tianjin (39°02′ N, 117°12′ E), 540 m, 6–7.vii.2009, coll. Zhipin Liang; 18 ♂♂, 1 ♀, Heishuihe, Mt. Baxian, Tianjin (39°02′ N, 117°12′ E), 550 m, 13−16.ix.2009, coll. Bingbing Hu, Jing Zhang & Zhipin Liang; 2 ♂♂, 2 ♀♀, Mt. Baxian, Tianjin (39°02′ N, 117°12′ E), 600 m, 12.ix.2010, coll. Yinghui Mu & Shurong Liu.

Distribution. China (Henan, Liaoning, Shanxi, Tianjin), Japan, Korea, Russia.

Diagnosis. This species is characterized by the forewing having a longitudinal yellowish white streak extending from the base to the apex (Fig. 35), the male genitalia with coecum narrower than the phallus, and the cornuti composed of two rows of microspines (Fig. 135), and the female genitalia with a V-shaped lamella postvaginalis, a ductus bursae membranous throughout and granulous on the posterior 1/3 (Fig. 181).