Insects Legs The Bible critic will sometimes make the uninformed claim that the Bible isn't scientific because it says that insects have four legs. Leviticus 11:20-23 - Every winged swarming creature that goes on all fours is a loathsome thing to you. Only this is what you may eat of all the winged swarming creatures that go upon all fours, those that have leaper legs above their feet with which to leap upon the earth. These are the ones of them you may eat of: the migratory ...