Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors.
Flies in attic window.
Flies caught in a window may be somewhat disoriented.
Likewise don t leave doors without screens open for long periods of time.
The thorax of an adult cluster fly is covered in short golden hairs and the wings overlap when at rest.
Windows allow uva light rays to penetrate but block uvb rays which may confuse the visual signals of flies or cause them to miscalculate what they are seeing.
Here s more on how to get rid of flies in general.
Do this in the summer or early fall at the latest.
Cluster flies also known as attic flies are household pests.
So always make sure your open windows have screens to keep flies from entering.
Apply insecticide to the outside of your attic to prevent flies from coming in.
Uva rays are long wave rays while uvb rays are shortwave rays.
Place traps around attic windows to catch flies.
Spraying the exterior of the house with insecticide can also be effective.
The most effective way to get rid of attic flies is to make sure that they stay outdoors.
Adults measure 8 to 10 millimeters.
Sealing cracks in the walls roof and windows is one of the best ways to get rid of these insects.
Many flies like cluster flies love the sunlight and warmth which is often why they buzz against windows.
Cluster fly image licensed under cc.
Light and dark gray checkered abdomens.
Uva and uvb rays are ultraviolet light rays emitted from the sun.
Cluster flies facts identification control latin name.
Spray as best you can around your roof chimney eves ventilation holes etc.