New Revised Standard Version
Then the LORD said to Moses, “Say to Aaron, ‘Stretch out your staff and strike the dust of the earth, so that it may become gnats throughout the whole land of Egypt.’”

Contemporary English Version
The LORD said to Moses, "Command Aaron to strike the ground with his walking stick, and everywhere in Egypt the dust will turn into gnats."

New American Bible
Thereupon the LORD spoke to Moses: Speak to Aaron: Stretch out your staff and strike the dust of the earth, and it will turn into gnats throughout the land of Egypt.

Douay-Rheims Bible
And the Lord said to Moses: Say to Aaron: Stretch forth thy rod, and strike the dust of the earth; and may there be sciniphs in all the land of Egypt.

And the Lord said to Moses: Say to Aaron: Stretch forth thy rod, and strike the dust of the earth; and may there be sciniphs in all the land of Egypt.

stretch

Exodus 8:5,17 And the Lord said to Moses: Say to Aaron: Stretch forth thy hand upon the streams, and upon the rivers and the pools, and bring forth frogs upon the land of Egypt. . . .

lice.

1. they sprang from the dust, and not from the waters;

2. they were on both man and beast, which cannot be said of gnats;

3. their name is derived from koon, to make firm, fix, establish, which cannot agree with gnats, flies, which are ever changing place, and almost constantly on the wing;

4. the term kinnah is used by the Talmudists to express the louse. This insect must have been a very dreadful and afflicting plague to the Egyptians, and especially to the priests, who were obliged to shave all their hair off, and to wear a single linen tunic, to prevent vermin harbouring about them.