Else, if you will not let my people go, behold, I will send swarms of flies upon you, and upon your servants, and upon your people, and into your houses: and the houses of the Egyptians shall be full of swarms of flies, and also the ground on which they are.

He sent swarms of flies among them, which devoured them; and frogs, which destroyed them.

He spoke, and there came swarms of flies, and gnats in all their country.