Boyd’s Bible Dictionary:

An insect of the locust species, often translated locust
(2 Chron. 7:1313If I shut up heaven that there be no rain, or if I command the locusts to devour the land, or if I send pestilence among my people; (2 Chronicles 7:13)). A clean animal (Lev. 11:2222Even these of them ye may eat; the locust after his kind, and the bald locust after his kind, and the beetle after his kind, and the grasshopper after his kind. (Leviticus 11:22)); timid (Job 39:2020Canst thou make him afraid as a grasshopper? the glory of his nostrils is terrible. (Job 39:20)); gregarious and destructive (Judg. 6:5; 7:125For they came up with their cattle and their tents, and they came as grasshoppers for multitude; for both they and their camels were without number: and they entered into the land to destroy it. (Judges 6:5)
12And the Midianites and the Amalekites and all the children of the east lay along in the valley like grasshoppers for multitude; and their camels were without number, as the sand by the sea side for multitude. (Judges 7:12)
; Eccl. 12:55Also when they shall be afraid of that which is high, and fears shall be in the way, and the almond tree shall flourish, and the grasshopper shall be a burden, and desire shall fail: because man goeth to his long home, and the mourners go about the streets: (Ecclesiastes 12:5); Jer. 46:2323They shall cut down her forest, saith the Lord, though it cannot be searched; because they are more than the grasshoppers, and are innumerable. (Jeremiah 46:23)); type of insignificance (Num. 13:3333And there we saw the giants, the sons of Anak, which come of the giants: and we were in our own sight as grasshoppers, and so we were in their sight. (Numbers 13:33); Isa. 40:2222It is he that sitteth upon the circle of the earth, and the inhabitants thereof are as grasshoppers; that stretcheth out the heavens as a curtain, and spreadeth them out as a tent to dwell in: (Isaiah 40:22)).

Concise Bible Dictionary:

This insect cannot be distinguished from the locust. See LOCUST.