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).

Plesiophthalmus nigrocyaneus
Plesiophthalmus nigrocyaneus Tenebrionidae
Main Region: Hokkaido, Honshu, Shikoku and Kyushu.
Found in woods from flatlands to forests and also in street trees in cities and in Mt. Takao, one of the insects often seen at mountain trails and around large trees.
Have long legs and frequently walk on trees, hence the Japanese name Ki-mawari tree around.
Body color is mostly black with copperish and indigo bluish shine on the back.
Have many shallow groove-like depressions.
Adults feed on woods, so often found around trunks of trees, fallen trees and dead woods.
Larvae also feed on woods and grow inside of fallen trees and stubs.

●Length  about 16 to 20 mm
●Adults Flight Season  May to about August
※Quotation from Mount Takao formula application
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