House Fly
These pests can spread microorganisms such as bacteria, fungi, and viruses from open garbage or any such places to food items and if we eat that food, we get infected. They also can regurgitate during the feeding process, which enables them to transmit disease organisms to their landing surface.
Drain / Sewer Fly
They are also known as filter and sewage flies since they commonly breed in standing water created by leaking pipes, rarely used and unused toilets, refrigerator drain pans. Drain flies do not bite humans but may become a nuisance by their presence in large populations. Drain flies gather, mate, and lay eggs in moisture or standing water.
Fruit Fly
Fruit flies can transfer germs like, bacteria they may carry include salmonella, E. coli, and listeria. These three germs each cause food poisoning. Fruit flies are especially attracted to ripened fruits and vegetables in the kitchen and Other areas where the fruits are available.
Flesh Fly
Adult - Flesh flies usually have grey bodies with three black stripes on the thorax. The abdomen has a light and dark grey checkerboard. Flesh flies are breed in excrement, decaying vegetable matter and animal flesh or meat. Also They can breed in dead rodents and birds in attics or wall voids of houses. Adult flesh flies are rarely problems as disease carriers, and pose little threat to human or livestock health.