Why Do I Have Flies In My Attic

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.

Preventing attic flies is a job for the summer and fall. 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. Insecticides can be used on the outside of the house in mid september if you have a persistent problem with attic flies. 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.

Apply insecticide to the outside of your attic to prevent flies from coming in. Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors. Cluster or attic flies are the genus pollenia in the blowfly family calliphoridae. 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.

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. If you are wondering where all the flies are coming from in the dead of winter no less the answer is simple. 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. Why are there flies in my house all of a sudden.

My attic is full of them. As scavengers flies are attracted to and feed on dead things like birds mice and rats. We seem to have an issue with cluster flies in our kitchen. Sarahgen april 4 2013.

Are those flies bouncing off my sunny window pane. And look more dead flies on the sill. Always remove deceased animals from your home and property immediately to prevent flies from invading. Every year between october and february she has swarms of flies in her attic.

Remember the problem. We cleaned out the attic of thousands in january by vacuuming. Do this in the summer or early fall at the latest. You have a cluster fly infestation.

I don t know how they managed to get in there but they did. My mum has this problem. Spray as best you can around your roof chimney eves ventilation holes etc. 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.

I have a serious fly problem right now. As much as possible seal cracks and openings around the outside of the house especially under the eaves as you would for energy conservation. Cluster flies have short yellow or golden coloured hairs on their thorax. A dead mouse lurking in the attic or trapped in the walls might like no big deal but the smell of decomposing animals is irresistible to flies.