Exodus 8:3

8:3 The Nile will swarm with frogs, and they will come up and go into your house, in your bedroom, and on your bed, and into the houses of your servants and your people, and into your ovens and your kneading troughs.

Exodus 8:21

8:21 If you do not release my people, then I am going to send swarms of flies on you and on your servants and on your people and in your houses. The houses of the Egyptians will be full of flies, and even the ground they stand on.