出埃及記 8:24

耶和華就這樣行。蒼蠅成了大群，進入法老的宮殿，和他臣僕的房屋；埃及遍地就因這成群的蒼蠅敗壞了。

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.