“Every swarming thing that swarms on the ground is detestable; it shall not be eaten.
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
And every creeping thing that creepeth upon the earth,.... Nothing is called a creeping thing, as Jarchi says, but what is low, has short feet, and is not seen unless it creeps and moves: and "every creeping thing" comprehends, as Aben Ezra and Ben Gersom observe, the eight creeping things before mentioned, Lev 11:29 and mention is made of them here, that they might not...
Lev 11:39-45 Lastly, contact with edible animals, if they had not been slaughtered, but had died a natural death, and had become carrion in consequence, is also said to defile (cf. Lev 11:39, Lev 11:40 with Lev 11:24-28). This was the case, too, with the eating of the swarming land animals, whether they went upon the belly, as snakes and worms, or upon four feet...
Commenting on Leviticus 11:39-45