Psalm 78:45
He sent among them swarms of flies, which devoured them; and frogs, which destroyed them.
Exodus 8:21-24
Else, if you will not let my people go, behold, I will send swarms of flies on you, and on your servants, and on your people, and into your houses: and the houses of the Egyptians shall be full of swarms of flies, and also the ground whereon they are.
Psalm 105:30-31
Their land swarmed with frogs, even in the chambers of their kings.
Exodus 8:2-15
If you refuse to let them go, behold, I will plague all your borders with frogs:
Revelation 16:3
The second one poured out his bowl into the sea, and it became blood as of a dead man. And every living thing in the sea died.