Treasures of Mt. Takao

Mt. Takao has abundant nature with warm-temperature forests and temperate forests. There are a lot more species could be called as "treasure" inhabits other than explained in animals, insects and birds section. Spiders is one of them because they are beneficial insects and its prey is destructive insects. Over 300 species including rare ones inhabits and Mt. Takao is the mountain with the largest number of species of spiders and widely known as a paradise for spiders.

Ariamnes cylindrogaster
Ariamnes cylindrogaster Theridiidae
Main Region: Honshu, Shikoku, Kyushu and Nansei Islands. Found in woods and green spaces from low elevations to mountains. Body shape is very different from general spiders as they have skinny and elongated abdomen. Is seen from early spring to summer in satoyama (area that are traditionally where farmlands meets forests) and woods. When legs are extended, the entire body becomes one strait bar that is not easily recognized as spiders. Is often mistaken for stick insects but this species have no segments like they have. There are two types of body colors, green and brown. The behavior is a little different from most of spiders. Build simple web with a couple of threads between branches and immediately prey other spiders that comes to the web.

●Length Female about 20 to 30mm / Male about 12 to 25 mm
●Adults Flight Season   May to about August
※Quotation from Mount Takao formula application
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