One is to spray soapy water onto soft-bodied insects like aphids, spider mites, thrips and whiteflies.

一种是向蚜虫、蜘蛛螨、蓟马和粉虱等软体昆虫喷洒肥皂水。

Whiteflies and viruses are devastating cassava.

粉虱和病毒是毁灭性的木薯。

Whiteflies are tiny insects that feed on the leaves of over 600 plants.

粉虱是以 600 多种植物的叶子为食的微小昆虫。

The whiteflies have destroyed the leaves that are eaten for protein, and the viruses have destroyed the roots that are eaten for starch.

粉虱破坏了用来获取蛋白质的叶子，而病毒破坏了用来获取淀粉的根。