Having read that they seek to hibernate in the house early autumn i m at a loss to understand why they are coming in early july.
Why do i have flies in my attic.
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.
I don t have flies right now but i have clusters of asian lady beetles.
Preventing attic flies is a job for the summer and fall.
Cluster flies are a bit darker and have dark and light chequered pattern on their abdomen which house flies or bottle flies do not have.
Sarahgen april 4 2013.
Spray as best you can around your roof chimney eves ventilation holes etc.
Apply insecticide to the outside of your attic to prevent flies from coming in.
My attic is full of them.
We cleaned out the attic of thousands in january by vacuuming.
Are those flies bouncing off my sunny window pane.
Cluster flies 8 10 mm are larger in size than a house fly 6 7 mm but smaller than a bottle fly 10 14 mm.
Do this in the summer or early fall at the latest.
Every year between october and february she has swarms of flies in her attic.
Insecticides can be used on the outside of the house in mid september if you have a persistent problem with attic flies.
But i m really sorry to say it s been happening since i lived at home since 1993 so 15 years and they ve still not got to the bottom of it.
If you are wondering where all the flies are coming from in the dead of winter no less the answer is simple.
I don t know how they managed to get in there but they did.
As scavengers flies are attracted to and feed on dead things like birds mice and rats.
Always remove deceased animals from your home and property immediately to prevent flies from invading.
As you sit in the window and bask in the sun you notice an annoying buzzing sound.
You have a cluster fly infestation.
I have a serious fly problem right now.
Cluster or attic flies are the genus pollenia in the blowfly family calliphoridae.
And look more dead flies on the sill.
The only successful method i ve found for them is vacuuming.
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.
My mum has this problem.
Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors.
Remember the problem.
As much as possible seal cracks and openings around the outside of the house especially under the eaves as you would for energy conservation.
Why are there flies in my house all of a sudden.
Unlike more familiar blow flies such as the bluebottle genus phormia they do not present a health hazard because they do not lay eggs in human food.