Cluster Flies Facts & Identification, Control & Prevention

Cluster Flies Facts & Identification, Control & Prevention

Cluster flies, most commonly referred to as attic flies or grass flies are characterized by their big bodies and can be recognized by their distinct lines that run across their bodies. They are solely parasitic on earthworms which they breed in and eat. They have overlapping wings, and big red eyes, and an abdomen covered with short fizzy hairs and short legs.

If you are having issues with cluster flies in your property and want to get rid of them, hire the professionals from Exterminator Peterborough!

They are most often seen in the attic and in other spaces that coincide with their flight paths. They do not fly fast like the common housefly but are move more sluggishly and slow. Furthermore, they are completely harmless to humans and are only considered a nuisance in households across Canada, especially in the winter months where they try to seek out a warm spot to overwinter in. Adults are said to measure approximately 7mm to 10mm on average. Their average lifespan is shy of 1 month or more precisely, 25 to 39 days.

Now that you are all caught up on the cluster fly facts, how do you get rid of them? There are several ways to get rid of them depending on what you find effective. Note that DIY approaches might not work for everyone in the same way. If something works for you, it might not work for others in the same way. Below you can find ways to get rid of cluster flies:


  • A fogger

A fogger is a very effective method to get rid of all kinds of insects throughout the attic. The fogger is effective because the device is not limited to a certain radius per se. The fog gets through all kinds of cracks and crevices. The advantage of this is that the fog does not leave any sticky residue and that it is completely odorless. It is recommended to come back a few hours later. Many different brands are available on the internet and in hardware stores.

  • Sticky Fly Traps

Sticky Fly Traps are a great alternative if you don’t feel comfortable using a fogger. The downside to using a sticky fly trap is that it depends heavily on the placement of the flytrap. The more flies are on it, the less effective it can get overtime as well. It might be satisfying to see the results on tape, but you will also need to replace them once or so often.

  • Fly Control Lamps

This is a popular solution too. The lamp emits UV-A light that attracts flies. Once they get close, they will get zapped and die. It is quite cheap and does not rely on any frequent check-ups!


  • Using a professional pest control expert

Professionals can assess and tailor the solution to the exact situation and can come up with appropriate ways to get rid of the cluster flies. Apart from that, pest control technicians can also work on preventive measures so that a second pest infestation is out of the question. Hire Exterminator Peterborough for complete cluster fly removal.