Exod 10:12-20

12Then the Lord said to Moses, “Stretch out your hand over the land of Egypt, so that the locusts may come upon it and eat every plant in the land, all that the hail has left.”13So Moses stretched out his staff over the land of Egypt, and the Lord brought an east wind upon the land all that day and all that night; when morning came, the east wind had brought the locusts.14The locusts came upon all the land of Egypt and settled on the whole country of Egypt, such a dense swarm of locusts as had never been before, nor ever shall be again.15They covered the surface of the whole land, so that the land was black; and they ate all the plants in the land and all the fruit of the trees that the hail had left; nothing green was left, no tree, no plant in the field, in all the land of Egypt.16Pharaoh hurriedly summoned Moses and Aaron and said, “I have sinned against the Lord your God, and against you.17Do forgive my sin just this once, and pray to the Lord your God that at the least he remove this deadly thing from me.”18So he went out from Pharaoh and prayed to the Lord.19The Lord changed the wind into a very strong west wind, which lifted the locusts and drove them into the Red Sea; not a single locust was left in all the country of Egypt.20But the Lord hardened Pharaoh's heart, and he would not let the Israelites go.