Insects

The insect world enters the law as a question of what may be eaten and what defiles. The umbrella sits over the ceremonial categorization of winged creeping things — a narrow band that admits a handful of leaping species and excludes the rest.

What May Be Eaten

Leviticus carves out a permitted band among the otherwise prohibited swarming creatures. Of "all winged creeping things that go on all fours," only those "which have legs above their feet, with which to leap on the earth" are clean. The named species are four: "the locust after its kind, and the bald locust after its kind, and the cricket after its kind, and the grasshopper after its kind" (Lev 11:21-22). The criterion is anatomical and behavioral together — a hind leg built for jumping.

What Is Detestable

Outside that narrow allowance the verdict is uniform: "all winged creeping things, which have four feet, are detestable to you⁺" (Lev 11:23). Deuteronomy compresses the same ruling into one line — "And all winged creeping things are unclean to you⁺: they will not be eaten" (Deut 14:19) — making the broad prohibition the headline and leaving the leaping exception in the parallel Leviticus passage.

Defilement by Carcass

The unclean status carries past the eating rule into contact. "And by these you⁺ will become unclean: whoever touches their carcass will be unclean until the evening; And whoever bears [anything] of their carcass will wash his clothes, and be unclean until the evening" (Lev 11:24-25). Touching defiles until evening; carrying defiles and requires laundering. The sweep of small dead things in field, house, or stored food is brought under the same daylong defilement and the same simple remedy.