Green Caterpillar - Green Caterpillar

Japanese: アオマツムシ - あおまつむし

An insect of the family Pinocoptera (illustration). A beautiful, bright green cricket that lives on trees. It is named after the pinocoptera because its body shape resembles that of a pinocopter. It is about 15 mm long. Since it was discovered in Tokyo in 1917, it has been found in Kanagawa, Aichi, Kyoto, Yamaguchi, Fukuoka, and other large cities, but its population decreased significantly for a time. From the mid-1970s, the area of occurrence gradually spread again, mainly to roadside trees, and in the blink of an eye, a major outbreak occurred in areas from Gunma Prefecture to Kyushu. This insect is probably one of the so-called naturalized animals that was brought to Tokyo from abroad on a seedling with eggs laid on it during the Meiji period and established there, and it is believed to have originated in the southern part of mainland China.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

直翅目マツムシ科の昆虫（イラスト）。美しい鮮やかな緑色をした樹上にすむコオロギ。体型がマツムシに似ているのでこの名がある。体長15mm内外。1917年に東京で発見されて以来，神奈川，愛知，京都，山口，福岡などの，とくに大都会で見いだされていたが，一時はかなり減少した。70年代半ばころからまた少しずつ街路樹を中心に発生地が広がり，あっという間に群馬県から九州に至る地域で大発生を見た。おそらくこの虫は，明治年間に，卵の産み込まれた苗木によって外国から東京へ持ち込まれ定着した，いわゆる帰化動物の一つで，原産地は中国大陸の南部であろうと推定されている。

出典　株式会社平凡社世界大百科事典第２版について　情報

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