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Rhabdophaga rosaria : ウィキペディア英語版 | Rhabdophaga rosaria
Rhabdophaga rosaria is a gall midge which forms ''Camellia'' galls or terminal rosette gall on willow species.〔Darlington, page 169.〕〔Stubbs, page 61.〕 ==Description== Willows are extremely susceptible to gall induction and growth manipulation and ''Salix'' is one of the plant genera with the highest known numbers of associated galler species.〔(Gall Inducers )〕 The gall consists of from 30 to 60 leaves,〔 shortened and crowded together in rosettes on white willow (''S. alba''), crack willow (''S. fragilis''), goat willow (''S. caprea'') and purple willow (''S. purpurea'') willows as well as the eared sallow (''S. aurita'') and grey sallow (''S. cinerea'').〔 The oviposition of this species results in a chemical interaction that halts the lengthwise growth of infected willow shoots, the leaves however continue to develop and thus the characteristic "rose" forms at the tip of the affected shoot.〔
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「Rhabdophaga rosaria」の詳細全文を読む
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