The fly is a dangerous enemy of man. She acts as a distributor of many infectious diseases, Escherichia coli and worms. To the legs of flies, covered with thick hairs, sewage is glued, which contains worm eggs and germs.
Fight against flies should be carried out at their first appearance. They crawl around latrines, garbage bins, feed on garbage and sewage. In this case, microbes enter the intestines of insects. On the body of one individual, more than five million microorganisms can be located, and up to 30 million enter the intestines. When they sit on food, the flies contaminate them with the microbes of dysentery, typhoid fever, tuberculosis and other diseases. In addition, insects breed very quickly. Each female lays more than 100 eggs at a time. Most often, they do this in manure, garbage bins, courtyard latrines, and food waste.
The fight against flies in the apartment should be conducted throughout the year. It should be remembered that the most effective way to get rid of insects is the timely removal of waste and keeping the premises clean. All boxes, cabinets must be tightly closed with lids, and special buckets for garbage that open with the foot pedal must be cleaned several times a day. They should be disinfected daily, having previously been washed, with a solution of bleach.
To destroy the larvae and eggs of flies, manure and sewage must be treated with hexachloran or a solution of 10% bleach.
The latrines are equipped with tightly closing windows and doors, closed with a metal mesh or gauze with small cells, to prevent insects from accessing sewage. Fighting flies includes sprinkling bleach pits with bleach at the rate of one kilogram per 1 sq. surface meter.
In addition to preventive measures, means should also be widely used to destroy the carriers of infection. For this, glass flytraps, chemicals, sticky paper are used.
The glass fly trap is an enlarged vessel with a funnel-shaped bottom that has a hole in it. The flycatcher is located on three legs, the height of which is 2 cm. They crawl into the gap between the surface on which the trap stands and the hole on the bottom of the fly. A slightly alkaline solution of ash or soapy water is poured into the trap, and the top is closed with a stopper. Bait is placed under the flycatcher on a saucer in the form of fermented molasses, bran, sour milk with bread crumbs, etc. Flies fly to the smell and fall under the flytrap, after which they rise to the light and fly into the trap where they die. The flycatcher is cleaned through the upper hole, the liquid with dead insects is drained daily and the bait is changed.

Chemical control of flies involves the use of flicide, pyrethrum, fly agaric, formalin solution with added sugar. At the very beginning of the spring period, it is useful to process walls, window frames, ceilings, doors with a water emulsion of the DDT chemical. For this, they conclude an agreement with a sanatorium, whose specialists carry out this work. During the summer, DDT treatment should be repeated every month.
Amanita paper or sheets that are saturated with arsenic are laid out on plates and poured with warm water, adding half a teaspoon of sugar. When the solution evaporates, the paper is mixed again with sweet water. The bait can be used no more than 3 times, after which it is burned with insects. The fight against flies using poisonous agents can only be carried out after all food and utensils are well covered. After processing, all poisonous must be removed and the room aired.
Correct fight with flies leads to their complete destruction.