''Satyrium herzi'' is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

of the subfamily

Lycaeninae Lycaeninae, the coppers, are a subfamily of the gossamer-winged butterflies (Lycaenidae). The relationships of the Lycaenidae are not fully resolved. Sometimes the Polyommatinae and Theclinae are included in the Lycaeninae; in particular the The ...

. It was described by

Johann Heinrich Fixsen Johann Heinrich Fixsen (19 October 1825 in St. Petersburg – 4 September 1899 in Hamburg) was a German entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and his ...

in 1887. It is found in the

Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...

(Amur, Ussuri), north-eastern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

and

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

. The larvae feed on '' Malus mandschurica'', ''

Malus baccata ''Malus baccata'' is an Asian species of apple known by the common names Siberian crab apple, Siberian crab, Manchurian crab apple and Chinese crab apple. It is native to much of northern Asia, but is also grown elsewhere as an ornamental tree an ...

'' and '' Malus pallasiana''.

Description from Seitz

''T. herzi'' Fixs. (= phellodendri Stgr. i. I.) (73d). Hindwing tailless, two teeth above the anal angle. Upperside unicolorous, the male with a pale scent-spot. Underside traversed by two rows of black-centred ocelli, there being a similar spot at the apex of the cell. Hindwing beneath with small red anal band. Fixsen has proposed the names ab. ''fulva'' and ab. ''fulvofenestrata'' for specimens with a more or less large futvo- yellow discal patch on the forewing. — Amurland, Corea. Larva velvety, uniformly dark green, beneath more bluish green, with the head glossy black. In June adult on ''

Pyrus Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the po ...

''. Pupa light green, with a brownish violet saddle-spot (Graeser). The butterfly appears in July, flying particularly about the twigs of ''

Phellodendron amurense ''Phellodendron amurense'' is a species of tree in the family Rutaceae, commonly called the Amur cork tree. It is a major source of '' huáng bò'' ( or 黄檗), one of the 50 fundamental herbs used in traditional Chinese medicine. The Ainu pe ...

''.Seitz, A. ed. Band 1: Abt. 1, ''Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter'', 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 Figuren)

References

"''Satyrium herzi'' (Fixsen, 1887)"
''Insecta.pro''. Retrieved February 6, 2020. Butterflies described in 1887 Satyrium (butterfly) Butterflies of Asia {{Eumaeini-stub