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Everything About House Flies and How to Eliminate them From your
Home or Business

Name House Fly
Latin Name Musca domestica

How do you get rid of House Flies?
Physical control measures must be put into place, repair screens, locate and remove harbourages and other food sources. If the breeding material being used by your House Fly population isn’t found and removed, flies will continue to reproduce. Baits, traps and insecticides may also be required if physical control measures do not suffice. Contact Addison Pest Control to schedule an inspection by a licensed Technician who will identify your pest species and tailor an Integrated Pest Management (IPM) program specific to your pest population.

How to identify House Flies
Appearance/What do House Flies look like?
Adult house flies are usually grey with a yellowish abdomen and typically measure between 3-6 mm. Adults have four dark longitudinal stripes on the thorax and red, compound eyes consisting of thousands of lenses for a full field of vision. House flies are covered with small hairs that act as taste organs. The overall size of each fly is dependent on how much nourishment it gets in the pupal stage; house flies stop growing as soon as they reach maturity. Female House Flies tend to be larger than males.

Life cycle/stages & anatomy
Domestic flies undergo a complete metamorphosis: egg, larva (maggot), pupa and adult. Female house flies typically mate only once and conserve sperm to lay several batches of 75-100 eggs in humid, high protein organic matter, up to around 500 eggs in a lifetime. In warmer climates and under ideal conditions, rice-like eggs (about 1.2 mm) can hatch into larvae in 12-24 hrs. The legless white maggots are 3-9 mm long and remain in the egg breeding site, feeding and moulting several times. Larvae develop hard, dark outer shells, not dissimilar to a butterfly cocoon and then pupate in a dark place for 3-6 days to emerge as adults capable of reproducing 2-3 days later. Under ideal conditions, this life cycle can finish in just one week with a typical lifespan in the wild of about a month.

Signs of House Flies Infestation
Signs of a House Fly infestation include the presence of adult flies and maggots (that may be viewed leaving the breeding material to pupate). Pupae are usually tough to find but may be discovered near the breeding material. Inside your home, adults often rest on walls and ceilings during the day and can be found closer to food sources at night.

Where did they come from / how did I get them?
House Flies breed in rotting organic matter, a House Fly infestation in your home or on your property indicates the presence of an appropriate breeding material, be it a chicken carcass in your compost or a dead animal stuck in your chimney. House Flies can also find their way into your home through open windows when in search of food, the interior and exterior of your property should be searched for harbourage material; dog faeces should always be picked up.

What do House Flies eat?
House Flies consume human and pet food, will scavenge garbage and ingest excrement.

How Serious are House Flies?
Although House Flies may simply be considered a common nuisance and not taken seriously, the fact is, they perpetuate the mechanical transmission of typhoid, cholera, dysentery and over 30 other microbial diseases. House Flies have been found to be vectors of E.coli, Campylobacter and associated gastrointestinal illnesses and they can even transmit viral hepatitis A and E in addition to the eggs of parasitic worms. Mechanical transmission occurs when house flies collect pathogens on their legs and mouthparts as they feed on decaying organic matter, on faeces and dead animal tissue and transfer it to humans by direct surface contact. With their sucking mouthparts, house flies need to feed on liquid material, and so they will regurgitate semi-digested liquid food material from their previous meal onto their immediate food source to first soften and then consume it. House flies leave dangerous vomit, and faecal matter all over your food, and food preparation surfaces when their populations invade your home.
Common House Flies do not bite, but they are commonly confused with female Stable Flies which require a blood meal before laying their eggs.

How Addison Can Help Eliminate House Flies
Beyond removing and locating breeding material, cloves, lavender, basil, bay leaves, mint, marigold, wormwood, and rue all function as natural repellents and can be incorporated into DIY fly control systems in addition to vinegar and wine traps. When home remedies fail to correct your domestic fly infestation, contact Addison Pest Control.

How Addison can help Prevent House Fly Infestations in the Future
To avoid pesky House Fly populations from developing in and around your home, appropriately dispose of all rotting organic matter, keep food covered and your kitchen clean. Dispose of pet faeces promptly and remove any carcasses or waste from your outdoor spaces. Keeping your property free of potential breeding sites is the most effective preventative measure against all domestic flies.

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