Loads Of Flies In My Attic

And look more dead flies on the sill.

Loads of flies in my attic.

For maximum effectiveness place a unit on each window. Spray as best you can around your roof chimney eves ventilation holes etc. Spray the outside walls of the building where cluster flies are likely to land and rest before entering the building. Are those flies bouncing off my sunny window pane.

Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors. Each trap will hold about 1000 flies and normally lasts about 2 years. What causes cluster flies in the house. Prevention is the best measure to keep away cluster flies.

If you are wondering where all the flies are coming from in the dead of winter no less the answer is simple. As you sit in the window and bask in the sun you notice an annoying buzzing sound. Do this in the summer or early fall at the latest. You have a cluster fly infestation.

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. 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. Cluster flies are common in the loft and attic spaces of homes and business. My mum has this problem.

The tendency of clustering in large numbers inside attics. This is the same family to which bottle or blow flies belong. The more flies that get trapped the more pheromone the insects emit so attracting yet more flies. Cluster flies are also known as attic flies this name describes its characteristics very well i e.

Apply insecticide to the outside of your attic to prevent flies from coming in. 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. A cluster fly is very much similar to a house fly. Every year between october and february she has swarms of flies in her attic.

Allow me to slip on my lab coat and drive deep into some science y stuff. Fall months are the times to use a good residual sprays before they enter the building and over winter. Cluster flies come from the calliphoridae family.