''Vespina nielseni'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family Incurvariidae. It is found in

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

(Hokkaido, Honshu, Shikoku, Kyushu) and 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 ...

.Distributional records and biological notes on Japanese species of the family Incurvariidae (Lepidoptera)
/ref> The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 8–11 mm. The forewings are narrow and brown to ochre in colour. The larvae feed on the leaves of ''

Quercus aliena ''Quercus aliena'', the galcham oak or oriental white oak, is a species of oak in the family Fagaceae, in the white oak section ''Quercus''. Description It is a deciduous tree growing to tall with a trunk up to in diameter with fissured gray ...

'', ''

Quercus serrata ''Quercus serrata'', the jolcham oak, (, ) is an East Asian species of tree in the beech family. It is native to China, Taiwan, Japan, and Korea. Description ''Quercus serrata'' is a deciduous oak tree reaching a height of occupying elevations ...

'' and '' Quercus acutissima''.

References

Moths described in 1987 Incurvariidae Moths of Japan {{Incurvarioidea-stub