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杨干象虫(Cryptorhynchus lapathi L.)是杨树的毁灭性害虫,在欧洲、亚洲及北美许多国家均有发生。其幼虫在树木的韌皮部与木贸部之间环绕树干蛀
Cryptorhynchus lapathi L. is a devastating pest of poplar and occurs in many countries throughout Europe, Asia and North America. Its larvae moss around the trunk between the phloem and the timber trade ministry