The grass flies or cluster flies or attic flies are the genus pollenia in the family polleniidae are completely harmless to human health.
Flies in the attic uk.
A cluster fly is very much similar to a house fly.
Their aim is to over winter and they can find their way into loft attic or roof void spaces.
The warmth generated here means that flies are naturally drawn into these cavities and voids particularly during the months of october and november where they congregate in groups or clusters.
Along the roof or attic.
The anomaly is that cluster flies may try to get into one house but may stay clear of a neighbouring house even if it is a pair of semi detached properties.
The thorax of an adult cluster fly is covered in short golden hairs and the wings overlap when at rest.
They require warm places to hibernate over winter.
These are not the same as the blue bottles that buzz hard against the windows in the warmer weather or the house flies and smaller flies that are active in summer too.
Cluster flies come from the calliphoridae family.
Cluster flies are commonly found in quiet undisturbed parts of your home such as attics and wall voids.
Cluster flies are also known as attic flies.
Most commonly they move from the ground to your attic for the winter when it gets cold.
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.
Cluster flies are common in the loft and attic spaces of homes and business premises.
Adults measure 8 to 10 millimeters.
They are strictly parasitic on earthworms.
Cluster flies are often known also as attic flies.
Cluster fly image licensed under cc.
Cluster flies also known as attic flies are household pests.
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.
They tend to travel in huge swarms of thousands of flies.
And the easiest entrance is usually through external gaps leading to your attic.
You may see a large group of cluster flies around a window as they are attracted to the light on sunny winter days.
Naturally your house is warmer.
You must be asking yourself are cluster flies dangerous.
Cluster flies facts identification control latin name.
Flies that gather in roofs around windows and on walls inside in the autumn and winter are called cluster flies also known as attic flies.
Light and dark gray checkered abdomens.
The females lay their eggs near earthworm burrows and the larvae then feed on the worms.
The tendency of clustering in large numbers inside attics.
Thus the common name they have of attic flies.
What are the risks of a fly infestation.
This is the same family to which bottle or blow flies belong.
Although cluster flies don t pose a direct health risk to humans they can be an annoyance.
Cluster flies do not reproduce indoors.
By instinct they seek shelter away from the elements such as in the fall when it gets cold.
