When ¹  the magicians attempted ²  to bring forth gnats by their secret arts, they could not. So there were gnats on people and on animals.

So they took soot from a furnace and stood before Pharaoh, Moses threw it into the air, and it caused festering boils to break out on both people and animals.

“Set apart ¹  to me every firstborn male – the first offspring of every womb ²  among the Israelites, whether human or animal; it is mine.” ³ 

They did so; Aaron extended his hand with his staff, he struck the dust of the ground, and it became gnats on people ¹  and on animals. All the dust of the ground became gnats throughout all the land of Egypt.