Exodus 8:16

The Third Blow: Gnats

8:16 The Lord said to Moses, “Tell Aaron, ‘Extend your staff and strike the dust of the ground, and it will become gnats throughout all the land of Egypt.’”

Exodus 8:18

8:18 When the magicians attempted to bring forth gnats by their secret arts, they could not. So there were gnats on people and on animals.