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).

Prosopogryllacris japonica
Prosopogryllacris japonica Gryllacrididae
They live widely in main land Honsyu, Shikoku, Kyusyu.
They inhabit at bushes and in green tracts of grassy places in plain ground to mountain areas.
Their name originally comes from the fact that they have interim characteristics between Cricket and long-horned grasshopper.
As being nocturnal, they are seldom known among the public.
Prosopogryllacris japonicas don’t sing because they have no singing organ system that Cricket and long-horned grasshopper have for singing. Whole body is shiny yellow-green color with the back of front wings in dark reddish-brown.
Their antennas are very long enough to be more than three times as long as the body length.
They spit out adhesive spinning silk, which they utilize to make their breeding place by adhering one leaf to another.
This is where they spend day time mostly.
At night they get vigor and have bait like insects on the trees.
They also love sap of trees and nectar of flower.

●Length  about 30 to 40 mm
●Adult Flight Season  July to about September
※Quotation from Mount Takao formula application
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