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.

Leiobunum japonicum
Leiobunum japonicum Sclerosomatidae
Main Region: Hokkaido, Honshu, Shikoku and Kyushu. Found in forests, tree trunks, grass and bamboo grass areas from flatlands to mountains. Body is slightly-built and bearable in dry environment compare to other species, thus often found in secondary forests including woods. Body shape is round and the color is beautiful yellow-green (Moegi-iro in Japanese) but gradually become light brown with age. Legs are dark-brown and white towards segments. This white part stands out when walking in the shady forests. Some species have one spine on the body. This species, nelima genufusca and gagrellula ferruginea in sclerosomatidae family with long legs appear once a year and eggs laid in soil spend throughout winter in soil. And in spring, larvae come out on ground but they are difficult to find because they are mostly in fallen leave layer. They clime up to trees and grass with age and mountain climbers have more opportunity to find them.

●Length  about 3 to 4 mm
●Adults Flight Season  August to about November
※Quotation from Mount Takao formula application
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