20-23"All flying insects that walk on all fours are detestable to you. But you can eat some of these, namely, those that have jointed legs for hopping on the ground: all locusts, katydids, crickets, and grasshoppers. But all the other flying insects that have four legs you are to detest.
24-25"You will make yourselves ritually unclean until evening if you touch their carcasses. If you pick up one of their carcasses you must wash your clothes and you'll be unclean until evening.