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Home | Flies | Filth Flies | Flesh Flies | Fly Control Products
Photo Credit: Tom Myers
Flies in the family Sarchophagidae are the "Flesh Flies," so-called because many species lay their eggs in open wounds.
Identification of the Flesh FlyFlesh flies are medium to large sized flies and usually have three dark thoracic stripes and mottled abdomens.Many of the common species have a red tip on the abdomen. Though some species may be smaller than house flies, most flesh flies are about 1/3 to 1/2 inch long. Due to their markings and coloration, sometimes House Flies are confused with Flesh Flies. Flesh flies are larger than house flies. Flesh flies have a checkerboard pattern on top of their abdomen and are gray in color. Biology of Flesh FliesOnce the eggs have been laid on a suitable breeding material, the larvae hatch out and burrow under the surface. It is not uncommon to encounter the body of a dead mouse, for example, whose body writhes and wiggles as the maggots move about inside while feeding. After growing to maturity within a few days, the larvae crawl out of the breeding material to pupate. The larvae may crawl many feet away from a breeding source inside buildings; outdoors they generally crawl only a short distance before burrowing into the soil to pupate. The adult flies begin emerging several days later. Flesh flies retain their eggs within the body of the female until they are ready to hatch, The larvae are deposited directly onto the food, the immature will be eating. The life cycle for the common species can be completed in eight to 21 days. The preferred breeding media around residences are decayed flesh, spoiling meat, and manure. Usually garbage can meat scraps and dog food left outside are abundant sources of flesh fly breeding. Flesh flies can breed in dead rodents and birds in attics or wall voids of houses. Adult flies do not bite but feed on a wide range of liquid substances. Most larvae infest wounds, carrion or excrement. The larvae of some species of flesh flies are beneficial in that they prey on eggs, nymphs or larvae of more harmful insects. Lesser house fly and blow fly larvae, and grasshopper nymphs are common hosts of flesh flies. Flesh fly life histories vary wit species and location. They over winter as pupae in temperate climates. Rarely very numerous. the flies emerge In spring and mate. Eggs are laid only under very unusual circumstances. As a rule, eggs hatch within the body of the adult. Females of most species deposit 20 to 40 larvae directly onto the host or substitute. As many as 325 larvae have been known to be born by a single female. Flesh fly maggots feed for three or four days and develop though three instars. Soon afterward, these mature maggots enter the pupae stage. Adult flies emerge in ten to 14 days and the life cycle is repeated. Several generations are produced each. year. Inspecting for Flesh FliesFlesh flies generally do not infest structures in large numbers or with any regularity. Flesh flies will be attracted to buildings by odors emitting from the dumpster or the building itself. Rendering plants and meat processing facilities may attract more flesh flies than other types of facilities such as a hotel or hospital. Occasionally, one or more flesh flies will manage to enter the building. If this is the case, try to determine if a breeding source is located near the building and how flies might be entering the structure. Accumulation of garbage under a dumpster is a common breeding source for flesh flies near buildings. Occasionally, a large number of flesh flies will suddenly appear in a particular area inside a building. These flies are most likely breeding inside a dead rodent or bird inside a wall, false ceiling, or the attic. Occasionally, mature maggots may be found crawling about. These larvae have left the breeding source in search of a place to pupate. Most infestations of flesh flies can be attributed to garbage or rodent carcasses found in or underneath trash dumpsters. Most infestations of indoor Flesh Flies are small in numbers and can be traced to dumpsters, meat processing plants or rendering facilities located nearby. If large numbers of these pests are found indoors, it can usually be attributed to a dead animal such as a rodent or bird. Backtracking the paths of fly maggots will many times help locate the carcass or source of indoor Flesh Fly infestations. If fly maggots are located in light fixtures, an inspection of the attic and nearby wall voids might be necessary. Recommended Control and Elimination Measures for Flesh FliesFlesh flies rarely require chemical control.The burial or destruction of carcasses, manure heaps and mounds of decaying organic matter eliminates many favorable breeding sites. Proper treatment of wounds also helps to prevent flesh fly harm to animals.
Exclusion and Sanitation, Insecticides, Traps, and Aerosols1. Exclusion and Sanitation:
2. Insecticides : Residual, Aerosols, and Fogging, if necessaryHouse flies rest on sunny surfaces in the daytime, and have a tendency to come inside or under eaves at night. These areas where the flies are resting can be sprayed with residual or contact insecticides. The flies rest on the sprayed surface and pick up enough insecticide to kill them. When spraying the surfaces, it should be wet enough to the point of runoff, but not enough to form puddles. Recommended residual Insecticides: Demon WP Use Cyonara 9.7, Demon WP or Cyper WP would all work equally well. Aerosols (Pyrethrin
spray) can be used as a quick kill, reducing populations of flying
insects.
Fogging Insecticides-Non Residual
3. Trapping-Glue and Outside
3. Electronic traps: Inside UseThese electronic fly traps are very efficient and functional to be used inside only. Click Here: All Electronic Fly TrapsIts compact size and direct plug-in features allow the light to be placed in any outlet
The EcoZap Kill 13 is an highly effective and aesthetically pleasing electric fly killers that incorporate the latest energy efficient UV light technology
Vector Plasma Fly Lights The powerful Vector 72 watt fly light by Whitmire-screened and grill types Click Here: All Electronic Fly Traps
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CB 80 Pyrethrin Aerosol
or 
Cyonara 9.7
Fly Paper
Window Fly Trap
ECO Fly Trap Disposable Fly Traps
