粉蚧， 水腊虫粉蚧科同翅类昆虫中的一种，其中有些对柑橘属果树和其他植物有毁灭性危害。

Any of various homopterous insects, especially of the family Pseudococcidae, some of which are destructive to citrus trees and other plants.

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辽宁省建平县拥有世界上最大的人工沙棘林，受沙棘木蠹蛾的危害较为严重，给当地的沙棘产品加工业造成毁灭性打击。

In Jianping county, Liaoning province, there are the largest artificial seabuckthorn forests in the world, which have suffered the destructive impact from H. hippophaecolus.

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双生病毒是一类具有孪生颗粒形态的植物单链dna病毒，目前已在多个国家和地区的作物上造成毁灭性危害。

Geminiviruses are a group of plant DNA viruses characterized by their unique twinned particles, and are currently emerging as a major threat to crop production worldwide.

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