Eggs are laid in ground, but cluster flies are often seen seeking shelter in our homes during winter months.
Cluster flies are mostly seen at windows on sunnier sides of home. Their populations grow each years and are often seen with lady bugs or boxelder beetle, sharing the same shelter.
Cluster Flies can be controlled during winter months in extreme conditions, but the most common and effective control is provided outside in the spring or fall. This pest often requires yearly treatments.
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