''Erynnis montana'' is a species of

Palearctic The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. Th ...

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

in the family

Hesperiidae Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilion ...

(

Pyrginae Pyrginae, commonly known as spread-winged skippers, are a subfamily of the skipper butterfly family (biology), family (Hesperiidae). The subfamily was established by Hermann Burmeister in 1878. Their delimitation and internal systematics has chan ...

). It is found in China, eastern Russia (

Amur The Amur River () or Heilong River ( zh, s=黑龙江) is a perennial river in Northeast Asia, forming the natural border between the Russian Far East and Northeast China (historically the Outer Manchuria, Outer and Inner Manchuria). The Amur ...

), Taiwan and Japan. The larva feeds on ''

Quercus mongolica ''Quercus mongolica'', commonly known as Mongolian oak, is a species of oak native to Japan, China, Korea, Mongolia, and Siberia. The species can grow to be tall. The flavono-ellagitannins mongolicin A and B can be found in ''Quercus mongo ...

''.

Subspecies

*''E. m. montana'' *''E. m. monta'' Evans, 1948 - China (Yunnan) *''E. m. neomontanus'' Murayama & Yoshisaka, 1959 - Taiwan *''E. m. nigrescens'' (Leech, 1894) - western China

References

Erynnis Butterflies described in 1861 Butterflies of Japan Taxa named by Otto Vasilievich Bremer Butterflies of Taiwan {{Pyrginae-stub