Although it is quite easy to swat and kill cluster flies, your primary objective should be to prevent them gaining access in the first place. Autumn has arrived and with that comes the cluster fly season. Those large flies in your home in winter are probably cluster flies, which overwinter in the protected areas between the inside and outside walls of your home, or in the attic or basement. Their abundance varies from year to year, possibly in relation to the amount of rainfall through the summer. The grass flies or cluster flies or attic flies are the genus Pollenia in the family Polleniidae are completely harmless to human health. There are two or three generations of flies produced each year. But if you see flies in the spring, you can also get rid of them with insecticides. A Cluster fly is very much similar to a house fly. While this isn’t a permanent fix to how they got inside in the first place, this can alleviate some of the stress of having a cluster of insects around where they’re not wanted. We have protected many Irish homes and businesses from pest problems for more than 90 years. 3,500+ employees Cluster flies are large black coloured flies with the scientific name ‘ Pollenia rudis’, they show up in homes from late fall through early spring. Worried about an infestation? Check your attic, basement, and other dark and quiet areas for openings and patch them up to prevent entry by insects like cluster flies. They do not transmit disease. The cluster fly is seeking warm sites with protective cracks for shelter, crawling back as far as they can get. Site by Altos. Once that window of opportunity has passed, it might be difficult to do an effective treatment. White River Junction, VT 05001. So how can you get rid of cluster flies in the house? Viewing 8 posts - 1 through … From late August to early September (depending on the temperature and region), adult cluster flies search for overwintering sites; usually gathering on sunlit surfaces on roofs of buildings, walls, weather stripping, and windows. Although flies can be a nuisance at most times of the year, cluster flies tend to become most problematic as autumn turns into winter. Rentokil Pest Control Ireland offers highly innovative solutions for businesses to get rid of flies. Cluster flies are parasites of earthworms and breed outdoors in gardens and fields during the spring and summer periods. Don’t let cluster flies make a home where they don’t belong. Structures offer cluster flies very favorable overwintering shelter. Cluster flies, also known as attic flies, are household pests.. September 10, 2018. Otherwise, you could face reputational damage if customers see flies swarming around your premises. Although many cluster fly colonies will seek out the solitude of a quiet corner for their home base, it’s not uncommon to find several gathered indoors by a sunny window on a cold winter day. Learn how your comment data is processed. Rentokil Pest Control is part of Rentokil Initial — one of the world’s largest providers of business services. lang: en_US. All Rights Reserved. If you notice this pesky pest in your office or building, contact our pest management experts at JP Pest Services and we can work to make sure your autumn is fly-free for months to come. Cluster flies are actually a parasite of earthworms and thrive in areas where there is fertile soil. Tidiness and cleanliness are vital allies in the battle against flies: If an infestation has already occurred, you need to take immediate action. These flies are known as cluster flies, a name that describes their habit of clustering in large numbers inside attics. As the weather becomes cooler, cluster flies will be in search of a loft space/void where they can hibernate for … What is the difference between bees and wasps? They tend to travel in huge swarms of thousands of flies. This article will help you identify and understand everything you need to know about cluster flies and what are the top remedies to get rid of them. The larvae seek out and parasitise earthworms which are eventually killed. For more information, please call 1890 666 444. Treatments made after the first week of September are likely to fail as the cluster flies have probably already made their way into the building. These flies are capable of spreading diseases like malaria, typhoid, cholera, dysentery and gastroenteritis.Flies pick up bacteria from waste materials and garbage and transfer these bacteria from their feet to surfaces they sit on. Cluster or attic flies are the genus Pollenia in the blowfly family Calliphoridae. Although flies can be a nuisance at most times of the year, cluster flies tend to become most problematic as autumn turns into winter. 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. Because of what they feed on, these flies can carry and spread disease. What are cluster flies? Problems with cluster flies begin in late August as they move to winter quarters to over-winter. You can also apply a residual pyrethroid-based insecticide such as Suspend SC or Demon WP on the exterior of the building in late August or early September, right before adult cluster flies show up. You should check the following areas to see if your property has a cluster fly problem: You must be asking yourself, are cluster flies dangerous? In August and September the final generation of flies seeks shelter for the winter in homes and buildings. Why Are There Fruit Flies in My Restroom. Roof spaces, Wall cavities and attics are common places for cluster flies to stay over the winter. Although often confused at first glance with the standard house fly, cluster flies are actually considered less dangerous to humans because they do not lay eggs in human food. If you don’t want hundreds or thousands of uninvited guests in the winter or spring, you need to act in August or September and lock out cluster flies. House flies and diseases: How to get rid of house flies, Reply to amol to amol joshi" aria-label=', Reply to Rentokil to Rentokil IE" aria-label='. The larvae then pupate in the soil for about two weeks before emerging as flies. They were first spotted in Auckland, he said next season, you could reputational! Can get windows that are weather-proofed windows and doors shut through gaps in roofs, attics and! ’ family which are eventually killed home is to prepare for the season. 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