Then Pharaoh said, “Tomorrow.” Moses replied, “May it be as you say, so that you may know [without any doubt] and acknowledge that there is no one like the Lord our God.

The Lord set a [definite] time, saying, “Tomorrow the Lord will do this thing in the land.”

Then Moses said, “Thus says the Lord: ‘At midnight I am going out into the midst of Egypt,

Locusts

What the gnawing locust has left, the swarming locust has eaten;
And what the swarming locust has left, the creeping locust has eaten;
And what the creeping locust has left, the stripping locust has eaten [in judgment of Judah].

A day of darkness and gloom,
A day of clouds and of thick [dark] mist,
Like the dawn spread over the mountains;
There is a [pagan, hostile] people numerous and mighty,
The like of which has never been before
Nor will be again afterward
Even for years of many generations.

Then out of the smoke came locusts upon the earth, and power [to hurt] was given to them, like the power which the earth’s scorpions have.

General references

But if you refuse to let them go and continue to hold them,

Of these you may eat: the whole species of migratory locust, of bald locust, of cricket, and of grasshopper.