Exodus 10:12
And Yahweh said to Moses, "Stretch out your hand over the land of Egypt with the locusts so that they may come up over the land of Egypt, and let them eat all the vegetation of the land, all that the hail left behind."
Exodus 7:19
And Yahweh said to Moses, "Say to Aaron, 'Take your staff and stretch your hand out over the waters of Egypt and over their rivers, over their canals, and over their pools and over all of their reservoirs of water, so that they become blood,' and blood will be in all the land of Egypt and in [vessels of] wood and of stone."
Exodus 10:4-5
But if you [are] refusing to release my people, look, I [am] about to bring locusts into your territory tomorrow.