Verse 21

If you do not release my people, then I am going to send swarms of flies on you and on your servants and on your people and in your houses. The houses of the Egyptians will be full of flies, and even the ground they stand on.

Referenced Verses

• Ps 78:45 : 45 He sent swarms of biting insects against them, as well as frogs that overran their land.
• Ps 105:31 : 31 He ordered flies to come; gnats invaded their whole territory.
• Isa 7:18 : 18 At that time the LORD will whistle for flies from the distant streams of Egypt and for bees from the land of Assyria.