Jerking Caterpillar - This Is The Larval Form Of A Member Of A Butterfly. Caterpillars Are Considered Pests In Agriculture. Most Caterpillars Have Tubular And Segmented Bodies. This Caterpillar Looks Bright And Beautiful But Possesses Stinging Hairs On Contact Causing Pain Something Like A Needle Prick On The Skin. It Moves Jerky As It Tries To Escape From The Rain. Photo