Moses brings a plague of gnats upon Egypt but Pharaoh still refuses to free the Israelites (Exodus 8:16 – 8:19).
After Pharaoh went back on his word and refused to release the Israelites from slavery, God said to Moses, “Tell Aaron, ‘Stretch out your staff and strike the dust of the ground,’ and throughout the land of Egypt the dust will become gnats.” They did this and when Aaron stretched out his hand with the staff and