This caterpillar in Henan is called the itchy wolf, itchy lattice (pronunciation: spicy) children, it is toxic on the back of the burrs, arms and other touch it, it will itch pain, and will gradually conduct along the meridian to the elbow, armpit, groin, etc., and lasts for a few hours, half a day will not disappear unbearable. It is not biting is stabbing the skin, nerves or meridians toxic pain.