Exodus 8:16-18

Young's Literal Translation

¹⁶ And Jehovah saith unto Moses, `Say unto Aaron, Stretch out thy rod, and smite the dust of the land, and it hath become gnats in all the land of Egypt.'

¹⁷ And they do so, and Aaron stretcheth out his hand with his rod, and smiteth the dust of the land, and the gnats are on man and on beast; all the dust of the land hath been gnats in all the land of Egypt.

¹⁸ And the scribes do so with their flashings, to bring out the gnats, and they have not been able, and the gnats are on man and on beast;