Calosoma (Charmosta) lugens Chaudoir, 1869

Calosoma lugens Chaudoir, 1869: 377 (described from: Tche-Fu); lectotype ♂ (no locality label) designated by Deuve (1978: 249) in Muséum National d'Histoire Naturelle, Paris
Calosoma (Charmosta) irregularis Reitter, 1902: 185 (type locality: Wladiwostok) holotype ♀ in former coll. Reitter, actual depository unknown
Calosoma (Charmosta) lugens Breuning, 1927: 228
Charmosta lugens Jeannel, 1940: 123

Length 26-31 mm. The elytral sculpture of C. lugens is confused and all intervals are flattened but still it is possible to recognize grainy alignments with a pattern of pentaploid type. On the primary intervals there are small cupric foveae that, carefully watching, stand out on the dark color of the upper body.
C. lugens is found throughout northern China and Mongolia up to Kraj Primorskij in Russia. According to data from Kwon & Lee (1984), the species is also present in various locaties in North and South Korea of which Imura (2010) shows the map. Moreover, Imura, reviewing all existing data for the Far East, also mentions, albeit with some doubts, three isolated catches in Japan (Tsunugawa and Yakeyama in Honshu and the Mt-dake of Shiretoko in Hokkaido).

Examined specimens and literature’s data
China. Bejing (SB); Fujian: Nanping (Deuve, 1997: 56); Gansu: Swan ting sa (EM); Hebei: Zhangjiakou (=Kalgan) (SB); Inner Mongolia (EM, SB), Hohhot (Deuve, 1997: 56), Sutschau (300km N Beijing); Liaoning: Zi Du Tai Xiang (SB), Shenyang (= Mukden) (Breuning, 1927: 228);, Shandong: Yantai (=Tche-Fu) (type; MNHN); Shanxi (Breuning, 1927: 228); Sichuan: Juzhaigon (SB)
Japan. Honshū Tsunugawa (Imura, 2010: 28); Honshū Yakeyama (Imura, 2010: 28); Hokkaido Shiretoko (Imura, 2010: 28)
Mongolia. (Jeannel, 1940: 123)
North Korea. Samsu (Kwon & Lee, 1984); Ch'ŏngjin (Kwon & Lee, 1984)
Russia. Kraj Primorskij: Nikotsk-Ussurijsk (EM; SB); Wladiwostok (sub irregularis Reitter, 1902: 185); Chanka lake (Jeannel, 1940: 123)
South Korea. (Imura, 2010: 28)

Notes: Winged, active adults were captured in June.

Calosoma (Charmosta) lugens
Chaudoir, 1869
lectotype (no locality label)
Muséum National d'Histoire Naturelle, Paris
Calosoma (Charmosta) lugens
Chaudoir, 1869
China: Liaoning, Zi Du Tai Xiang, Fuxin, 18.VI.2005, Dangh lg.
Calosoma (Charmosta) lugens
Chaudoir, 1869
China: Liaoning, Zi Du Tai Xiang, Fuxin, 18.VI.2005, Dangh lg.

updated Dec. 21 2019