But all other winged insects that have four feet are detestable to you.
Here is the law, 1. Concerning flying insects, as flies, wasps, bees, etc.; these they might not eat (Lev 11:20), nor indeed are they fit to be eaten; but there were several sorts of locusts which in those countries were very good meat, and much used: John Baptist lived upon them in the desert, and they are here allowed them, Lev 11:21, Lev 11:22. 2.
Commenting on Leviticus 11:20-42
But all other flying creeping things,.... Excepting the four sorts before mentioned, wherefore we rightly supply the word "other": which have four feet; or more; the Vulgate Latin version adds, "only", but wrongly; for those that have more are unclean, and forbidden to be eaten, excepting those in the preceding verse; and most creeping things that fly have six feet, as the locusts themselves, reckoning...
Lev 11:20-23 (cf. Deu 14:19). To the birds there are appended flying animals of other kinds: “all swarms of fowl that go upon fours,” i.e., the smaller winged animals with four feet, which are called sherez, “swarms,” on account of their multitude.
Commenting on Leviticus 11:20-23