对红脂大小蠹、华山松大小蠹和云杉大小蠹的形态特征、为害寄主以及危害症状进行了比较分析，提出了检疫管理措施，为进境口岸针对性检疫和保护我国的林木资源提供参考。%This paper compares the morphological characteristics and harm characteristics of Dendroctonus valens,D, armandi and D. micans. Combined with the practical situation of port inspection and quarantine, the paper proposes thequarantine measures against the three species Dendroctonus Erichson.
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