Exodus 8:22 (KJV)
And I will sever in that day the land of Goshen in which my people dwell that no swarms of flies shall be there to the end thou mayest know that I am the LORD in the midst of the earth
And I will sever in that day the land of Goshen in which my people dwell that no swarms of flies shall be there to the end thou mayest know that I am the LORD in the midst of the earth