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Bronze birch borer : ウィキペディア英語版 | Bronze birch borer
The bronze birch borer ''Agrilus anxius'' is a wood-boring Buprestid beetle native to North America, more numerous in warmer parts of the continent and rare in the north. It is a serious pest on birch trees (''Betula''), frequently killing them. The river birch ''Betula nigra'' is the most resistant species, other American birches less so, while the European and Asian birches have no resistance to it at all and are effectively impossible to grow in the eastern United States as a result. It is closely related to the emerald ash borer. ==External links==
*(US Forest Service factsheet )
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「Bronze birch borer」の詳細全文を読む
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