image creditCaterpillars - the shapes and sizes that they come in and for many the urge to touch, pick up and hold is almost irresistible. Yet although most butterfly and moth larvae are quite harmless, preferring to curl up in a ball when threatened, some will make it quite plain that they do not like to be touched. They will sting: here is a selection of the stinging caterpillars of the United States.
(thanks Robert-John)The Presurfer
