...Originating from central East Africa, it spread rapidly from India and Southeast Asia to the Pacific islands in the 20th century, becoming a pest that damages crops and fruit trees. Its shell is egg-cone shaped, with purple-brown and yellowish-white vertical stripes on the surface, so it is called an agate snail in English. It is also called a giant snail because its shell is usually about 10 cm high and 5.5 cm wide. In Japan, it has invaded Amami, Okinawa, and Ogasawara, causing damage. ... *Some of the terminology that mentions "giant snail" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…東アフリカ中部原産で,20世紀に入って急速にインド,東南アジアから太平洋の諸島に広がり,農作物や果樹を食害する害貝となった。殻は卵円錐形,殻表に紫褐色と黄白色の縦斑があるので英名でagate snail(メノウマイマイの意),また通常,殻の高さ10cm,太さ5.5cmくらいになるのでgiant snailという。日本では奄美,沖縄および小笠原に侵入し害を与えている。… ※「giant snail」について言及している用語解説の一部を掲載しています。 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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