Solid foods are softened with saliva before being sucked up. Females tend to vary more in size and there is geographic variation with larger individuals in higher latitudes. The adult houseflies have hairy bodies, one pair of wings, and are usually either grey or black in color. We all have seen and been bothered by the housefly. They actually have 5 eyes. In fact many common infections are transmitted by house flies. Because of their close, commensal relationship with humans, they probably owe their worldwide dispersal to co-migration with humans. Although it can never be eradicated entirely, reducing fly popul… The adults feed on a variety of liquid or semi-liquid substances, as well as solid materials which have been softened by their saliva. Size: 4 to 7.5 mm long Color: Usually gray Body: Four black stripes on the thorax. This is all down to … They may also be used for other effects as in the Flemish painting, the Master of Frankfurt (1496). Houseflies appear in literature from Ancient Greek myth and Aesop's The Impertinent Insect onwards. The pair of large compound eyes almost touch in the male, but are more widely separated in the female. Oxidative DNA damage 8-hydroxydeoxyguanosine in houseflies was found in one study to increase with age and reduce life expectancy supporting the hypothesis that oxidative molecular damage is a causal factor in senescence (aging).  Houseflies are often seen cleaning their legs by rubbing them together, enabling the chemoreceptors to taste afresh whatever they walk on next. Aerosols can be used in buildings to "zap" houseflies, but outside applications are only temporarily effective.  However, housefly larvae are as nutritious as fish meal, and could be used to convert waste to insect-based animal feed for farmed fish and livestock. Fans to create air movement or air barriers in doorways can deter houseflies from entering, and food premises often use fly-killing devices; sticky fly papers hanging from the ceiling are effective, but electric "bug zappers" should not be used directly above food-handling areas because of scattering of contaminated insect parts. Houseflies have compound eyes that allow them to have a 360-degree vision. Instead, they provide an excellent mosaic view of everything to the left, right, front and above the fly.  Many strains of housefly have become immune to the most commonly used insecticides. The adult housefly lives from two weeks to one month in the wild, or longer in benign laboratory conditions. They have two compound eyes, but it is … However, a recent study shows that the male houseflies have always had an eye out for the female of the species. They lay eggs in batches of 75 to 150 eggs. Flies, such as the common housefly (Musca domestica) look at the world in quite a different way than humans do. In males, the ninth segment bears a pair of claspers for copulation, and the 10th bears anal cerci in both sexes. , The life cycle can be completed in seven to 10 days under optimal conditions, but may take up to two months in adverse circumstances. It is the most common fly species found in houses. , Houseflies can be controlled, at least to some extent, by physical, chemical, or biological means. Although a wide variety of sex-determination mechanisms exists in nature (e.g. Solutions include disposing of the attractants and using repellents to keep the flies away in the first place.  Housefly larvae have been used in traditional cures since the Ming period in China (1386 AD) for a range of medical conditions and have been considered as a useful source of chitosan, with antioxidant properties, and possibly other proteins and polysaccharides of medical value. The larvae avoid light; the interiors of heaps of animal manure provide nutrient-rich sites and ideal growing conditions, warm, moist, and dark. Flies do not see in one solid view or focus on a particular object like humans do. Pupae complete their development in two to six days at 35 Â°C (95 Â°F), but may take 20 days or more at 14 Â°C (57 Â°F). This is a sponge-like structure that is characterized by many grooves, called pseudotracheae, which suck up fluids by capillary action.  A virus that causes enlargement of the salivary glands, salivary gland hypertrophy virus (SGHV), is spread among houseflies through contact with food and infected female houseflies become sterile. The housefly is, however, thought to exhibit multiple mechanisms for sex determination, such as male heterogamy (like most insects and mammals), female heterogamy (like birds), and maternal control over offspring sex. 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