Exodus 8:18 in the King James Version
And the magicians did so with their enchantments to bring forth lice, but they could not: so there were lice upon man, and upon beast.
Context
17 They did so; and Aaron stretched out his hand with his rod, and struck the dust of the earth, and there were lice on man, and on animal; all the dust of the earth became lice throughout all the land of Egypt.
18 The magicians tried with their enchantments to produce lice, but they couldn’t. There were lice on man, and on animal.
19 Then the magicians said to Pharaoh, “This is God’s finger;” but Pharaoh’s heart was hardened, and he didn’t listen to them, as the LORD had spoken.