Then the Lord spoke to Moses: Early tomorrow morning present yourself to Pharaoh and say to him: Thus says the Lord, the God of the Hebrews: Let my people go to serve me,
In the morning, just when he sets out for the water, go to Pharaoh and present yourself by the bank of the Nile, holding in your hand the staff that turned into a snake.
This the Lord did. Thick swarms of flies entered the house of Pharaoh and the houses of his servants; throughout Egypt the land was devastated on account of the swarms of flies.