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).
Main region: Hokkaido, Honshu, Shikoku, Kyushu and Nansei Islands.
Found in all over Japan, in forests and surrounding grasslands from flatlands to mountains.
In Mt. Takao, often found on leaves in mountain trails. Wing color is white.
Fore wings have two brown belt-like patterns with fine scratchy patterns.
Similar ourapteryx maculicaudaria can be distinguished by not having these scratchy patterns and looks rather white.
Have sharp tails with two red-brown spots.
Female are larger than male.
Are seen from early summer to autumn and fly to various flowers for nectar.
Caterpillars feed on leaves of various plants in fagaceae, ulmaceae, fabaceae and caprifoliaceae family.
●Wingspan about 36 to 59 mm
●Adult Flight Season May to about October
Found in all over Japan, in forests and surrounding grasslands from flatlands to mountains.
In Mt. Takao, often found on leaves in mountain trails. Wing color is white.
Fore wings have two brown belt-like patterns with fine scratchy patterns.
Similar ourapteryx maculicaudaria can be distinguished by not having these scratchy patterns and looks rather white.
Have sharp tails with two red-brown spots.
Female are larger than male.
Are seen from early summer to autumn and fly to various flowers for nectar.
Caterpillars feed on leaves of various plants in fagaceae, ulmaceae, fabaceae and caprifoliaceae family.
●Wingspan about 36 to 59 mm
●Adult Flight Season May to about October