Deuteronomy 7:20 in the King James Version
Moreover the LORD thy God will send the hornet among them, until they that are left, and hide themselves from thee, be destroyed.
Context
19 the great trials which your eyes saw, the signs, the wonders, the mighty hand, and the outstretched arm, by which the LORD your God brought you out. So shall the LORD your God do to all the peoples of whom you are afraid.
20 Moreover the LORD your God will send the hornet among them, until those who are left, and hide themselves, perish from before you.
21 You shall not be scared of them; for the LORD your God is among you, a great and awesome God.