Top tips on dealing with Cluster Flies in your home

Top tips on dealing with Cluster Flies in your home

Cluster Flies around windows/doors

Cluster flies are a type of fly that tend to gather in large numbers in buildings during the fall and winter months. They are known to cluster in sunny areas on the sides of buildings, hence their name.

They can be a nuisance, but here are some tips so you can take to control cluster flies:

  • Seal entry points: Cluster flies usually enter buildings through small cracks and gaps in doors, windows, and walls. Inspect your building thoroughly and seal any entry points using caulk or other appropriate materials. This will help prevent them from entering in the first place.
  • Use insecticides: There are various insecticides available ie; Insectrol that can be used to treat areas where cluster flies are present. Apply the insecticide in areas where cluster flies are seen or suspected, such as window sills, door/window frames, and other entry points.

Cluster Flies in Roof

If you have cluster flies in your roof, it can be challenging to control them as they tend to congregate in hidden areas. Here are some steps you can take to address a cluster fly infestation in your roof.

  • Install a fly killer unit to catch flies, this needs to be a specific unit with a large trap to allow for large numbers of Cluster Flies to be caught.
  • Other option is to install an aerosol dispenser unit with fly killer that dispenses at intervals. This option will leave dead flies in your roof!


Cluster Flies under tiles or behind cladding

Cluster flies may be gaining access to the area under the tiles through gaps or cracks in the roof or the soffits. Inspect your roof and soffits carefully to identify any entry points, and seal them using appropriate materials.