The insects are ravaging crops and pastures in parts of East Africa, where tensions over grazing land already high.

这些昆虫正在破坏东非部分地区的农作物和牧场，那里的牧场已经非常紧张。

The attackers are believed to be from the Fulani cattle herding community and they've been in dispute with farmers in the area over grazing rights.

据悉袭击者来自富拉尼牧牛社区，他们因放牧权与该地区的农民发生争端。