Psalm 78:45
He will send forth among them the gad-fly, and they shall devour them; and frogs, and they shall destroy them.
Exodus 8:21-24
For if thou sendest not my people forth, behold me sending upon thee and upon thy servants, and upon thy people and upon thy houses, the gad-fly: and the houses of the Egyptians shall be filled with the gad-fly, and also the land which they are upon it
Psalm 105:30-31
Their land abounded with frogs in the chambers of their kings.
Exodus 8:2-15
And if thou refusest to send forth, behold, I smite all thy bounds with
Revelation 16:3
And the second angel poured out his vial into the sea; and it was blood as of a dead body: and every living soul died in the sea.