They breed in soil and host on earthworms during.
Attic flies in house in winter.
Flies are an expected nuisance in the spring and summer but some homeowners will find themselves in the midst of an infestation in cold winter months.
Attic flies which are also known as cluster flies are insects that often migrate into homes in the fall where they hibernate for the cooler fall and winter months one of the best tips for getting rid of attic flies is to keep them from entering the house in the first place as trying to eliminate them after they are in hibernation can be difficult.
They typically do this in the walls and attics of our houses.
And the easiest entrance is usually through external gaps leading to your attic.
The adult flies are attracted to the sunny side of homes in the fall looking for ways to get inside before winter.
So how can you get rid of cluster flies in the house.
Those large flies in your home in winter are probably cluster flies which overwinter in the protected areas between the inside and outside walls of your home or in the attic or basement.
The larvae develop into cocoons before hatching into adult flies.
Overwintering insects generally stay in secluded areas until the warming and lengthening days of spring pull them from hiding.
In the late fall and early winter the newly developed cluster flies look for places to spend the winter out of the cold and damp.
As much as possible seal cracks and openings around the outside of the house especially under the eaves as you would for energy conservation.
Last summer s abundant rainfall was favorable for development of cluster flies.
Some species of flies such as face and cluster flies lay eggs in the cracks and crevasses of a home.
Cluster flies cluster.
Don t worry cluster flies do not breed indoors.
Thus the common name they have of attic flies.
Cluster flies prefer warm areas so homeowners often find them flying around houses on sunny days in the winter and late fall months.
Naturally your house is warmer.
Unfortunately this annoyance will persist through the spring cluster flies are named for their habit of clustering in large numbers on outside walls in.
The result has been a greater than normal abundance of these large black pesky flies in houses this winter.
Attic flies are especially abundant this spring.
Basically cluster flies are just inside your house because they want to stay warm.
By instinct they seek shelter away from the elements such as in the fall when it gets cold.
You can recognise cluster flies because they are larger than house flies and often appear to be slightly yellow or golden because of their tiny hairs.
Preventing attic flies is a job for the summer and fall.
These eggs hatch throughout the winter and the little flies have nowhere to go but the home.
Entry entering living spaces by way of electrical outlets or baseboards the pests take shelter in attics and walls to hibernate awaiting the arrival of warmer spring weather.
