Leviticus 11:22
Even 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.
Cross-reference
Matthew 3:4
Allusion
Matthew 3:4 shows John the Baptist eating locusts, confirming these are clean as permitted here.
Mark 1:6
Allusion
Mark 1:6 also records John eating locusts, aligning with the clean foods listed here.