They will cover the face of the land so that no one can see it. They will devour whatever is left after the hail and eat every tree that grows in your fields.
KJV
And they shall cover the face of the earth, that one cannot be able to see the earth: and they shall eat the residue of that which is escaped, which remaineth unto you from the hail, and shall eat every tree which groweth for you out of the field:
ASV
and they shall cover the face of the earth, so that one shall not be able to see the earth: and they shall eat the residue of that which is escaped, which remaineth unto you from the hail, and shall eat every tree which groweth for you out of the field: