They are aposematic grasshoppers are quite poisonous. They won't kill a human but they can kill a small bird or mammal.

Can grasshoppers kill a human?

Grasshoppers aren't poisonous, and their bites aren't dangerous to people. But they do have strong jaws! It could be temporarily painful.

Has a grasshopper ever killed anyone?

Manage alerts | What is this? KHARTOUM, Sudan (Reuters) -- Eleven people died and thousands were taken to hospital with breathing difficulties after a swarm of grasshoppers invaded a town in central Sudan, the government-owned Al-Anbaa newspaper reported on Saturday.