Exodus 8:24
And the LORD did so: and there came a grievous swarm of flies into the house of Pharaoh, and into his servants' houses, and into all the land of Egypt: the land was corrupted by reason of the swarm of flies.
Psalm 78:45
He sent divers sorts of flies among them, which devoured them; and frogs, which destroyed them.
Psalm 105:31
He spoke, and there came divers sorts of flies, and lice in all their borders.
Exodus 8:21
Else, if thou wilt not let my people go, behold, I will send swarms of flies upon thee, and upon thy servants, and upon thy people, and into thy houses: and the houses of the Egyptians shall be full of swarms of flies, and also the ground on which they are.