Insect bites and stings Insect bites and stings Insect bites and stings occur when an insect is agitated and seeks to defend itself through its natural defense mechanisms, or when an insect seeks to feed off the bitten person. Some insects inject formic acid, which can cause an immediate skin reaction often resulting in redness and swelling in the injured area. Stings from fire ants, bees, wasps and hornets are usually painful, and may stimulate a dangerous allergic reaction called anaphylaxis for at-risk patients, and some wasps can also have a powerful bite along with a sting. Bites from mosquitoes and fleas are more
Oxford Scientific Films name from Parks' existing company Oxford Biological Films. Thompson, Parks, Morris, Paling, and Thompson's son David, headed the new company, which began operating on 8 July 1968. Thompson remained at his position at Oxford University while the company building was being completed, while the other four travelled to America to make the film loops for Ealing. Thompson resigned from the university on 2 September 1969, taking on the work at Oxford Scientific Films full-time. The company focused initially on filming nature at a microscopic level, including insect and aquatic wildlife. Using specialised equipment and camera techniques the developed themselves, the