''Ypsolopha tsugae'' 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

Ypsolophidae Ypsolophidae is a family of moths with some 160 species. They are included in the Plutellidae by many authors. Systematics This is a list of genera and selected species. Ypsolophinae * '' Phrealcia'' Chrétien, 1900 * '' Ypsolopha'' Latreille, ...

. It is known from

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 ...

and

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. 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 10–11 mm.Japanese Moths
/ref> The larvae feed on '' Tsuga diversifolia'' and ''

Abies sachalinensis ''Abies sachalinensis'', the Sakhalin fir, is a species of conifer in the family Pinaceae. It is found in Sakhalin island and southern Kurils (Russia), and also in northern Hokkaido (Japan). The first discovery by a European was by Carl Friedr ...

''.

References

Ypsolopha Moths of Japan Moths of Asia Moths described in 1977 {{Ypsolophidae-stub