Exodus 8:15-17

Revised Standard Version

¹⁵ But when Pharaoh saw that there was a respite, he hardened his heart, and would not listen to them; as the Lord had said.

The Third Plague: Gnats

¹⁶ Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your rod and strike the dust of the earth, that it may become gnats throughout all the land of Egypt.’” ¹⁷ And they did so; Aaron stretched out his hand with his rod, and struck the dust of the earth, and there came gnats on man and beast; all the dust of the earth became gnats throughout all the land of Egypt.