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Cluster Fly | Pest Identification Library | JP McHale
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Cluster Fly

Information on Cluster Flys & How They May Affect Your NY, NJ or CT Property


3/8″ long with six legs. They are dark grey, have short golden hairs and two wings.


Cluster flies are an overwintering pest. They will enter your home in the later summer and fall months. This is when they are a nuisance. They are commonly found around windows and door frames.

How do they affect me?

Cluster flies will find their way into your home to overwinter. This can become a huge annoyance to homeowners.

What should I do?

There is not much that you can do besides try and seal all the possible entrance points around your home. We offer an overwintering service which will prevent cluster flies, box elder bugs and ladybugs from entering your home in the winter months. Please contact us if you are interested.