Cochylidia richteriana (Fischer von Röslerstamm, 1837)

(Figs. 9, 18, 25)

Cochylis richteriana Fischer von Röslerstamm, 1837: 92. Type locality: Poland (Glogan).

Conchylis olindiana Snellen, 1883: 194 . Type locality: Russia (Amur).

Conchylis ineptana Kennel, 1901: 233 . Type locality: Russia (Amur, Ostasien).

Phalonia richteriana Meyrick, 1934: 29 .

Phalonia xanthodryas Meyrick, 1937: 155 . Type locality: China (Taishan).

Cochylidia richteriana: Obraztsov, 1956: 17; Razowski, 1968: 5; Razowski, 1970: 382; Kawabe, 1982: 158; Byun, Park & Lee, 1996: 6; Byun, Bae & Park, 1998: 79; Liu & Li, 2002: 66; Brown, 2005: 201; Byun & Li, 2006: 792.

Material examined. CHINA: Beijing Municipality: 1Ƥ, Xiaolongmen Forest Farm, Mentougou (39°56ʹN, 116°05ʹE), 1080 m, 14.viii.2009, leg. Aihuan Zhang and Aihua Sun. Tianjin Municipality: 1Ƥ, Qingguang (39°12ʹN, 117°01ʹE), 29.vii.1965; 1Ƥ, Mt. Pan, Ji County (40°02ʹN, 117°24ʹE), 170 m, 20.vii.2004, leg. Houhun Li. Hebei Province: 2Ƥ, Chengde City (40°59ʹN, 117°57ʹE), 350 m, 12.vii.2001, leg. Yanli Du and Shulian Hao; 1Ƥ, Mt. Baishi, Laiyuan County (39°21ʹN, 114°41ʹE), 1300 m, 21.vii.2000, leg. Haili Yu; 13, Mt. Xiantai, Jingxing County (38°06ʹN, 113°50ʹE), 1200 m, 24.vii.2000, leg. Haili Yu; 13, Laoniuyu, Jingxing County (37°48ʹN, 114°12ʹE), 2000. vii.26, leg. Haili Yu; 13, Shangsi, Mt. Xiaowutai, Yu County (39°50ʹN, 114°33ʹE), 1200 m, 26.vii.2000, leg. Yanli Du and Zhendong Li; 13, Zhongguyuan, Mt. Wuling, Xinglong County (40°24ʹN, 117°30ʹE), 900 m, 31.vii.2000, leg. Yanli Du and Zhendong Li. Shanxi Province: 13, Mt. Guandi, Jiaocheng County (37°33ʹN, 112°09ʹE), 1658 m, 30.vi.2011, leg. Shulian Hao and Zhiwei Zhang; 53, 36Ƥ, Xizhashui Village, Lingchuan County, Jincheng City (35°46ʹN, 113°18ʹE), 900 m, 12−18.vii.2010, leg. Haiyan Bai and Linlin Yang; 83, 76Ƥ, Luyashan Nature Reserves, Ningwu County (38°39ʹN, 112°01ʹE), 1450 m, 19−24.vii.2011, leg. Shulian Hao and Jiayu Liu; 73, 44Ƥ, Xiyao Village, Ningwu County (38°40ʹN, 112°00ʹE), 1475 m, 21.vii.2011, leg. Shulian Hao and Jiayu Liu. Inner Mongolia Autonomous Region: 63, Chifeng (42°17ʹN, 118°58ʹE), 590 m, 3.viii.1997, leg. Houhun Li; 1Ƥ, Linxi County (43°36ʹN, 118°02ʹE), 820 m, 4.viii.1997, leg. Houhun Li. Liaoning Province: Chenwushitun, Faku County (42°30ʹN, 123°23ʹE), 22.vii.2006, leg. Yiping Wang; 2Ƥ, Hongshadi Village, Faku County, 5−6.viii.2006, leg. Yiping Wang; 1Ƥ, Mt. Baiyun, Haicheng City (40°51ʹN, 122°43ʹE), 13.vii.2010, leg. Jiayu Liu and Yanpeng Cai. Heilongjiang Province: 23, Haerbin City (45°44ʹN, 126°36ʹE), 150 m, 23.vii.1997, leg. Houhun Li; 1Ƥ, Mt. Kalun, Heihe City (50°14ʹN, 127°29ʹE), 120 m, 25.vii.1997, leg. Houhun Li; 1Ƥ, Gaofeng Forest Park, Nenjiang County (49°10ʹN, 125°12ʹE), 300 m, 29.vii.1997, leg. Houhun Li. Shandong Province: 1Ƥ, Mt. Kunyu, Yantai City (37°12ʹN, 121°40ʹE), 21.vii.2009, leg. Qing Jin; 1Ƥ, Zhongshansi, Mt. Yimeng (35°37ʹN, 117°46ʹE), 27.vii.2009, leg. Qing Jin. Hunan Province: Maqiao Village, Baituo Town, Xiangtan City (27°52ʹN, 112°53ʹE), 30.vii.2004, leg. Yunli Xiao. Sichuan Province: 13, Zhubalong Town, Batang County (30°00ʹN, 99°09ʹE), 2500 m, 11.vii.2001, leg. Houhun Li and Xinpu Wang. Qinghai Province: 13, 2Ƥ, Xining Botanical Garden (36°38ʹN, 101°48ʹE), 2280 m, 20.vii.1995, leg. Houhun Li and Shuxia Wang. Ningxia Hui Autonomous Region: 43, Woyangchuan Forest Farm, Liupanshan Nature Reserves (35°42ʹN, 106°11ʹE), 1700 m, 3.vii.2008, leg. Shulian Hao and Zhiwei Zhang.

Diagnosis. Adult (Fig. 9) with wingspan 11.0−13.5 mm. Cochylidia richteriana can be easily distinguished from its congeners by the forewing having an ochreous spot above the dorsum between the outer margin of the median fascia and the pretornal spot. It is very similar to C. subroseana roseotincta (Razowski, 1960), but C. richteriana can be distinguished by the socius separated in the distal half and the valva with a nearly straight costal margin in the male genitalia (Fig. 18); and the sterigma nearly triangular, narrowed from the lateral side of the ostium bursae to a pointed apex in the female genitalia (Fig. 25). In C. subroseana roseotincta the socius is separated from the base to apex, and the costal margin of the valva is concave in the male genitalia; and the sterigma is nearly oval basally and produced posterolaterally to a slender band in the female genitalia.

Distribution. China (Beijing, Hebei, Heilongjiang, Hunan, Inner Mongolia, Liaoning, Ningxia, Qinghai, Shandong, Shanxi, Sichuan, Tianjin), Mongolia, Korea, Japan, Russia, Europe.

Hostplants. Artemisia sp. (Kawabe 1982).