大小蠹是林木害虫中危害最严重的一个类群，全部种类都是经济种，均可以直接造成林木资源的巨大损失。
Dendroctonus is one group of most serious forest pests, all of which are economic species, and could directly cause great losses of forest resources.
大小蠹是林木害虫中危害最严重的一个类群，全部种类都是经济种，均可以直接造成林木资源的巨大损失。
Dendroctonus is one group of most serious forest pests, all of which are economic species, and could directly cause great losses of forest resources.
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