Humans come in contact with this substance when they swat the midges. Chironomids don't bite, but may emerge in huge numbers, and thus are considered a nuisance pest. Hemiptera utilize extra-oral digestion when feeding. Seems to be based on what circumstance they are encountered. Forcible sprays a substance of quinones and hydrogen peroxide.
Chemical reaction occurs with temp.
Stay away from things that hurt, pain is usually a sign of potential injury. Much less concern about abstract causes of death such as death related to smoking. Examples of papers dealing with the subject. Delusions of parasitosis. Arthropods and psychic disturbance.