''Thymelicus sylvatica'' is an eastern Palearctic

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

in the Hesperiidae (

Hesperiinae Grass skippers or banded skippers are butterflies of the subfamily Hesperiinae, part of the skipper family, Hesperiidae. The subfamily was established by Pierre André Latreille in 1809. Description and distribution With over 2,000 described sp ...

). The species can be found in Amur, Ussuri, Southwest China, Korea, and Japan. The larva feeds on ''

Calamagrostis ''Calamagrostis'' (reed grass or smallweed) is a genus of flowering plants in the grass family Poaceae, with about 260 species that occur mainly in temperate regions of the globe. Towards equatorial latitudes, species of ''Calamagrostis'' general ...

'', ''

Bromus ''Bromus'' is a large genus of grasses, classified in its own tribe Bromeae. They are commonly known as bromes, brome grasses, cheat grasses or chess grasses. Estimates in the scientific literature of the number of species have ranged from 100 ...

'', ''

Agropyron ''Agropyron'' is a genus of Eurasian plants in the Poaceae, grass family), native to Europe and Asia but widely naturalized in North America. Species in the genus are common name, commonly referred to as wheatgrass. ; Species * ''Agropyron bada ...

'', ''

Brachypodium ''Brachypodium'' is a genus of plants in the grass family, widespread across much of Africa, Eurasia, and Latin America. The genus is classified in its own tribe Brachypodieae. Flimsy upright stems form tussocks. Flowers appear in compact spi ...

'', ''

Carex ''Carex'' is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus ''Carex'' ...

''.

Subspecies

*''T. s. sylvatica'' *''T. s. astigmatus'' (Leech, 1894) (Chang Yang) *''T. s. teneprosus'' (Leech, 1894) *''T. s. occidentalis'' (Leech, 1894) (Ta Chien Lou) *''T. s. nishimurai'' Hamada et Fujioka, 1997

References

Hesperiinae Butterflies described in 1861 Butterflies of Asia Taxa named by Otto Vasilievich Bremer {{Hesperiidae-stub