Treasures of Mt. Takao

Takao 599 museum has all kinds of animals inhabit in Mt. Takao in various ways of exhibitions such as seasonal wild plants preserved in acrylic and all kinds of animals specimens inhibits in Mt. Takao. On the "NATURE WALL," stuffed animals are displayed and shows the movie to introduce the dynamic nature of Mt. Takao.

Protohermes grandis(Dobsonfly)
Protohermes grandis(Dobsonfly) Corydalidae
Main Region: Hokkaido, Honshu, Shikoku and Kyushu.
Found in mountain streams and forests from flatlands to mountains.
Have skinny body with large four wings but they are not in family of dragonflies.
The major difference from dragonflies is holometabolism which includes pupa stage where as dragonflies are hemimetabolic. Body color is light yellow-brown with yellow spots on wings.
Rest in forests and grasslands near streams during daytime and become active at night and fly to various trees for sap.
Also are attracted to lights.
Have large mandibles on head and try to bite by moving long thorax parts when randomly caught by human beings. This resembles snakes, hence the Japanese name hebi-tombo literally meaning snake dragonfly.
Larvae are called magotaro-mushi literally meaning grandson bugs and live in clear water and eat aquatic insects.

●Length  about 36 to 40 mm
●Adults Flight Season  June to about September
※Quotation from Mount Takao formula application
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