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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Chirosia betuleti ： ウィキペディア英語版 Chirosia betuleti The Knotting gall, is caused by the dipteron fly ''Chirosia betuleti'' (Ringdahl, 1935). The gall develops in the terminal shoots of ferns, such as Broad buckler fern ''Dryopteris dilatata'', Male shield fern Dryopteris filix-mas, Lady fern Athyrium filix-femina,〔Stubbs, Page 80〕〔Redfern, Page 288〕 and the Ostrich fern, ''Matteuccia struthiopteris''.〔(BioStor ) Retrieved : 2011-07-28〕 ==The physical appearance of the galls== The fly larva mines the leaves and stems of the fern's frond at the apex. The tip of the frond rolls upwards into a loose, obvious knot or mop-head structure involving many pinnae; inside a white larva mines along the rachis, eating the trichomes, causing it to coil. Usually only one larva is present in the leaf tip, sometimes two. An elongated white egg shell is visible at the centre of the mass〔(Leaf and Stem Mines ) Retrieved : 2011-07-28〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chirosia betuleti」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.