Sunday, May 31, 2015

Cluster flies

I have a small cottage in upstate NY. I visit it about once a month in the winter. When I get the heat going in the winter it prompts cluster flies to emerge from - somewhere I don;t know where? And they live about a day and then drop to the ground at the windows.

How do I get rid of these flies and where are they living in the house?

Thanks,

Dean

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