Satyrium herzi

Satyrium herzi is a butterfly of the subfamily Lycaeninae. It was described by Johann Heinrich Fixsen in 1887. It is found in the Russian Far East (Amur, Ussuri), north-eastern China and Korea.

The larvae feed on Malus mandschurica, Malus baccata 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. Pupa light green, with a brownish violet saddle-spot (Graeser). The butterfly appears in July, flying particularly about the twigs of Phellodendron amurense.