Exodus 10:13-15

13So Moses stretched out his staff over the land of Egypt, and the Lord brought an east wind on the land all that day and all that night; when it was morning, the east wind had brought the [swarms of] locusts.

14The locusts came up over all the land of Egypt and settled down in the whole territory, a very dreadful mass of them; never before were there such locusts as these, nor will there ever be again.

15For they covered the [visible] surface of the land, so that the ground was darkened; and they ate every plant of the land and all the fruit of the trees which the hail had left. There remained not a green thing on the trees or the plants of the field throughout all the land of Egypt.