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1·The most common problem is the Mealy bug, which feeds on plant SAP.

粉蚧是个常见的问题，它以生石花的汁液为食。

2·Scientists are planning to release 250, 000 wasps in the North-East region of Thailand to halt a mealy bug infestation that threatens to destroy its lucrative cassava crop.

泰国东北地区的木薯产业利润丰厚，科学家计划在该地释放25万只黄蜂，以期解决粉蚧肆虐、破坏木薯作物的问题。

3·Cotton growers in Pakistan generally have a sound understanding of cotton production technology, but yields are limited due to the cotton leaf curl virus and mealy bug.

巴基斯坦棉花种植者对棉花生产技术有普遍而充分的理解，但由于棉花曲叶病毒和粉状病毒，产量有限。