That which the palmerworm hath left: Heb. The residue of the palmer-worm, Joe 2:25; Amo 4:9; The learned Bochart, and others, are of the opinion that the four Hebrew words, gazam, yelek, arbeh, chasil, respectively rendered the palmer-worm, locust, canker-worm and caterpillar, denote four different species of locusts. See note on Exo 10:4
the locust eaten: Exo 10:12-15; Deu 28:38, Deu 28:42; 1Ki 8:37; 2Ch 6:28, 2Ch 7:13; Psa 78:46, Psa 105:34; Amo 7:1; Rev 9:3-7