Exodus 8:24

²⁴ And the LORD did so; and there came a grievous swarm of flies into the house of Pharaoh, and into his servants' houses, and into all the land of Egypt: the land was corrupted by reason of the swarm of flies.

Flesh pots

To sit by flesh pots, as in Exodus 16:3, signifies to live a life according to pleasure, and what is lusted after.