Why Do I Have Flies In My Attic

Cluster or attic flies are the genus pollenia in the blowfly family calliphoridae.

Why do i have flies in my attic.

As much as possible seal cracks and openings around the outside of the house especially under the eaves as you would for energy conservation. And look more dead flies on the sill. Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors. My mum has this problem.

Cluster flies have short yellow or golden coloured hairs on their thorax. Are those flies bouncing off my sunny window pane. 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. Always remove deceased animals from your home and property immediately to prevent flies from invading.

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. 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. 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.

I have a serious fly problem right now. My attic is full of them. We cleaned out the attic of thousands in january by vacuuming. If you are wondering where all the flies are coming from in the dead of winter no less the answer is simple.

Preventing attic flies is a job for the summer and fall. As you sit in the window and bask in the sun you notice an annoying buzzing sound. We seem to have an issue with cluster flies in our kitchen. 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. 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. 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. You have a cluster fly infestation.

I don t know how they managed to get in there but they did. Why are there flies in my house all of a sudden. Spray as best you can around your roof chimney eves ventilation holes etc. As scavengers flies are attracted to and feed on dead things like birds mice and rats.

Apply insecticide to the outside of your attic to prevent flies from coming in. Remember the problem. The only successful method i ve found for them is vacuuming. 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.