虫灾

Global warming erodes coastlines, spreads pests and water - borne diseases and produces more erratic weather patterns.

全球变暖侵蚀海岸线， 使虫灾泛滥、 水性 传染病扩散，气候变化更加无常。

Flood, drought and insects calamity were called severest natural calamity in ancient agriculture.

水灾 、 旱灾和虫灾并称为威胁古代农业的三大自然灾害。

It makes them easier targets for borers and shows if the insects are nearby.

这使得它们更容易成为钻木虫的目标，以此来判断虫灾是否临近。

The There are that ash tree might disappear and last unless the ination invasion is controlled.

很多人担心如果虫灾再无法控制，白蜡树就有可能会绝迹。