SIT has been used in North America to eliminate screwworm flies, an agricultural pest, and to suppress several species of crop-munching fruit flies.

SIT已在北美被用于消灭螺旋蝇(一种农业害虫)并抑制几种吃庄蝇。

Unsurprisingly, pesticides, which are used to ward off agricultural pests, are a major reason.

不出所料，用于抵御农业害虫杀虫剂是一个主原因。

The US bans their importation as they can carry parasites including one that can leads to meningitis and are considered a highly invasive agricultural pest. BBC News.

美国禁止进口它们，因为它们可寄生虫，包括一种可导致脑膜炎寄生虫，被认为是一种高度侵入性农业害虫。英国广播公司新闻。

It’s difficult to estimate how much damage agricultural pests do every year, but it’s believed to be in the billions.

他说。 很难估计农业害虫每年造成损失有多大， 但据信损失金额达数十亿美元。