Ypsolopha longa Moriuti, 1964
(Figs 38, 87, 138, 183)
Theristis acuminata (Butler, 1878): Matsumura (not Butler, 1878), 1931: 1104; Inoue, 1954: 36. Ypsolophus longus Moriuti, 1964: 207 .
Ypsolopha longus Moriuti: Moriuti, 1977: 107; Moriuti, 1982: 211; Byun & Bae, 2001: 157. Ypsolopha longa Moriuti: Sohn et al., 2010: 35.
Type locality: Japan (Kontyû).
Adult (Figs 38 a–b): Wing expanse 26.0−30.0 mm. Forewing with CuA1 and CuA2 separated (Fig. 87).
Material examined. 2 ♂♂, 2 ♀♀, Nanling (23°20′ N, 115°23′ E), Shaoguan, Guangdong Province, 22– 28.vi.2008, coll. Liusheng Chen; 12 ♂♂, 9 ♀♀, Hefeng County (40°24′ N, 117°30′ E), Hubei Province, 1260 m, 15−16.vii.1999, coll. Houhun Li et al.; 1 ♂, Mabian County (25°81′ N, 103°31′ E), Sichuan Province, 900 m, 21.vii.2004, coll. Yingdang Ren.
Host plant. Celastraceae: Euonymus sieboldianus Blume (Moriuti 1977) .
Distribution. China (Guangdong, Hubei, Sichuan), Japan, Korea, Russia.
Diagnosis. This species is different from its congeners in the long lanceolate forewing with four longitudinal ocherous brown lines (Fig. 38); the saccus nearly as long as the socius, and the phallus about 1.3 times length of the valva in the male genitalia (Fig. 138); the apophyses posteriores nearly 2.5 times length of the apophyses anteriores, and the ductus bursae about twice length of the corpus bursae and dilated near the corpus bursae in the female genitalia (Fig. 183).
Remarks. This species is recorded for the first time in China.