TAKAO 599 MUSEUM

Treasures of Mt. Takao

Mt. Takao is considered one of the three major habitat of insects along with Minoo (Osaka prefecture) and Kibune (Kyoto prefecture) and it has long been loved by researchers of insects because of number of species and the easy access from the Metropolitan area. There are many insects first found in Mt. Takao and named after "Takao" such as Takao Shachihoko (Hiradonta takaonis Matsumura) and Takao medaka kamikiri (Stenhomalus takaosanus).

Thyris usitata
Thyris usitata Thyrididae
Main region: Hokkaido, Honshu, Shikoku, Kyushu, Sado Island, Tsushima and Chishima Islands.
Found in woods and surrounding grasslands and fields from flatlands to mountains.
Wing colors are black and angulated white spots are one paired on fore wings and two paired on hind wings, hence the Japanese name Mado-ga literally meaning window moths.
Have some yellow spots on entire wings.
Head and the back of thorax are yellow and resemble butterflies in hesperiidae family.
Are seen from early spring to summer.
In Mt. Takao, often found on mountain trails and grasslands along forest trails.
Are active during daytime and fly to forests and grasslands for nectar.
Caterpillars feed on leaves of clematis apiifolia.

●Wingspan  about 14 to 17 mm
●Adult Flight Season  April to about September
※Quotation from Mount Takao formula application
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