The larval or maggot stages of this fly attack and eat earthworms. If you suddenly see a swarm of flies that means dozens of eggs have already hatched and developed into flies.
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The source is likely inside your house garage attic or garden.
Why are there large flies in my house. If you have a rodent control problem in your home attic or garage these flies could be a symptom of that issue regardless of the cleanliness of the rest of your home. House flies get into your house because of reasons like rotten matter excessive warmth and breeding grounds that your home may offer. Why are flies in my house.
A large number of flies flying around the property or dead flies on window sills will be a good indication that a swarm has taken up residence in your property. Cluster flies are more abundant in the winter when there has been a wetter summer due to the fact that they develop as parasites inside the bodies of earthworms. House flies can multiply into hundreds within a couple of days in your home.
Anything sweet will definitely attract flies. The following are affiliate links. Cluster flies have a completely different life cycle.
Flies are just trying to survive and inside your house flies will land on your food soda dog food and many other things to get a tasty meal. You must kill the existing flies to stop them from breeding in addition to keeping the growing ones from developing into an adult fly. The most common reason for flies swarming all over your house is an infestation inside or nearby your home.
These flies are common inside houses in fall and winter. It is because of this that they are sometimes known as attic flies. Keep doors and windows shut to prevent flies from wandering inside and if they must be open install screens to act as a barrier to unwanted visitors.
Flies are tiny creatures and even a small opening is room enough for them to sneak inside your home spreading germs and causing annoyance. When flies smell something awful like a lot of trash lying around they will assemble in your yard or your home. Don t prop screen doors open as flies may enter the house.
The life cycle of the cluster fly begins in the spring when they leave the overwintering sites and lay their eggs in the soil. There are several generations of cluster flies during the summer and each time the female returns to lay eggs in the soil. It s also important to note that you might have lots of flies in your house simply because there are too many flies outside in your yard.
Once they hatch out in the summer they migrate into the walls of homes where they hibernate until the warmth of the sun or the heat of the furnace wake them up.
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