These beetles can release a substance called paederin (Pederin). This substance are toxic to destroy tissues. Those who touch the body, these beetles will be burning pain, itching, in cases where the much may have a fever of headachesThe wound will look a long way, could be found a little clear (vesicle) these symptoms will disappear within the 7-10 days. Should clean the wound and shut the wound to prevent infection. May use the medicine the antihistamines.If symptoms do not improve to see a doctor.