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, Sado Island, Oki Island and Tsushima.
Found in woods and green spaces from flatlands to low elevations.
Color of thorax and fore wings is bright red as the Japanese name Beni-kamikiri literally meaning red longicorn with black spots states and thorax has black spots.
Color of head and antennae is black.
Antennae of male are longer than body length and those of female are about the same length with the body, making it easy to distinguish male and female.
Similar purpuricenus spectabilis can be identified with their paired black spots on the lower parts of fore wings.
Are seen from early spring and feed on nectar of welsh onion, Japanese chestnuts and toxicodendron succedaneum.
Larvae feed on dead bamboo including moso bamboo and Japanese timber bamboo.
Emerged adults are sometimes found in bamboo hedge.
●Length about 13 to 17 mm
●Adults Flight Season April to about August
Found in woods and green spaces from flatlands to low elevations.
Color of thorax and fore wings is bright red as the Japanese name Beni-kamikiri literally meaning red longicorn with black spots states and thorax has black spots.
Color of head and antennae is black.
Antennae of male are longer than body length and those of female are about the same length with the body, making it easy to distinguish male and female.
Similar purpuricenus spectabilis can be identified with their paired black spots on the lower parts of fore wings.
Are seen from early spring and feed on nectar of welsh onion, Japanese chestnuts and toxicodendron succedaneum.
Larvae feed on dead bamboo including moso bamboo and Japanese timber bamboo.
Emerged adults are sometimes found in bamboo hedge.
●Length about 13 to 17 mm
●Adults Flight Season April to about August