Musca domestica
Characteristics
Size: Medium-sized flies about 1/4-inch in length.
Color: Dark gray; four stripes are present on
top of the thorax in front of the wings.
Behaviour
The housefly is the most common and ubiquitous fly on the planet,
being found everywhere humans are found except possibly the coldest
reaches of the Arctic and Antarctic. Because it frequents unsanitary
areas, such as garbage and manure, this fly is considered a possible
health risk and its presence indoors should be minimized. This species
has sponging mouthparts so it cannot eat solid food. It regurgitates
digestive fluids onto its food and then sponges up its digested
liquid meal.
Habitat
This species breeds primarily in fresh animal manure and so is most
common on and near farms. Lawns where dog manure is left for days
can also become a significant breeding site for house flies. Any
building can be plagued by houseflies, but those located near farms
and pastures are likely to experience more flies than other structures.
Houseflies rarely breed indoors, but if they do, the site is usually
a trash container that hasn’t been cleaned for a while or
possibly rotting vegetables or fruit in a box in a restaurant storeroom
or kitchen.
Tips for Control
In most cases involving houseflies around homes, the problem is
twofold: (1) flies are being attracted to the building by trash
containers or pet manure and (2) openings (e.g. doors) exist that
are permitting flies to enter. To minimize problems with flies,
take the following steps:
-
Throw trash away in trash cans in plastic
bags. Bags reduce odors associated with garbage and trash thus
attracting fewer flies to the area.
-
Locate trash receptacles as far from the
building as possible. Those flies that are attracted to the
area will therefore be away from the back door.
-
Regularly pick up pet maunre from the yard.
-
Keep doors and windows closed unless they
are equipped with tight-fitting screens.
-
Ensure all edges of doors and windows have
tight weatherstripping. Flies can squeeze through amazingly
small cracks.
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