Identifying Flies

what are cluster flies

What Are Cluster Flies?

Cluster Flies Defined Cluster flies are common pests that invade homes, particularly when temperatures start to drop. They gain entry through small openings, cracks, and crevices. This is to seek shelter from wind and frost during the winter.  Once flies are inside, these flies hibernate the winter away, ‘clustering’ together to stay warm.  As the seasons

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