Cluster Flies Attic

Light and dark gray checkered abdomens.

Cluster flies attic.

Cluster flies aka attic flies get their name from clustering together in large numbers over the winter months. The females lay their eggs near earthworm burrows and the larvae then feed on the worms cluster flies seek refuge in cold weather and find their way into attic spaces and similar areas indoors. They are strictly parasitic on earthworms. House flies are gray in color while most cluster flies appear black.

Cluster flies are also known as attic flies this name describes its characteristics very well i e. The tendency of clustering in large numbers inside attics. This is the same family to which bottle or blow flies belong. Seal up all cracks and crevice and any holes.

A cluster fly is very much similar to a house fly. Additionally cluster flies have golden hairs growing on their body whereas house flies do not. Cluster flies habits mean that they are no real risk to human health like most common flies but they are a nuisance. House flies often grow no larger than of an inch long while cluster flies grow to be twice as large measuring of an inch long.

These guys will be repelled by the chemicals and retreat from going in your attic. Adults measure 8 to 10 millimeters. Cluster flies then re. Spray insecticide where cluster flies hibernating.

Place dust in cracks and crevices. Steps for cluster fly control. Spray as best you can around your roof chimney eves ventilation holes etc. Identify where they are.

So always make sure your open windows have screens to keep flies from entering. Cluster flies are slightly larger and darker than the common housefly. They are known to give off a sickly odour and they also have a big effect on earthworms around your home. Cluster flies are also known as attic or loft flies.

Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors. The warmth generated here means that flies are naturally drawn into these cavities and voids particularly during the months of october and november where they congregate in groups or clusters. Cluster flies also known as attic flies are household pests. Cluster flies are common in the loft and attic spaces of homes and business premises.

Likewise don t leave doors without screens open for long periods of time. Place protective screens in attic and chimney openings. The grass flies or cluster flies or attic flies are the genus pollenia in the family polleniidae are completely harmless to human health. Many flies like cluster flies love the sunlight and warmth which is often why they buzz against windows.

Follow these specific steps to get rid of cluster flies. Here s more on how to get rid of flies in general.