While normally outdoor bugs, they like to migrate into your home as the weather gets colder. These members of the fly family get their name because they tend to congregate in clusters and are known in the scientific community as Pollenia rudis. Scientific Name: Pollenia rudis Cluster flies are also known as attic flies.
Adult cluster flies (Fig. There are three species of clustering fly which are collectively known as ‘cluster flies’, by their scientific name they are Musca Autumalis (the autumn fly), Pollenia Rudis (The common cluster fly) and Dasyhora Caynella (the green cluster fly). Pollenia rudis (Fabricius) Biology. The name ‘cluster fly’ is due to their habit of forming clustered groupings while in hibernation.
Irregular light patches may be present on the abdomen.
The feature that is most useful for distinguishing cluster flies from other blow flies are crinkly golden hairs on the thorax. This is the same family to which bottle or blow flies belong.
Behaviour Cluster flies enter into homes in large “clusters” in the late fall while searching for a place to overwinter.
Description.
Scientific Name.
Order: Diptera (True Flies) Family: Calliphoridae (Blow Flies) Identification and Descriptive Features: Cluster flies are slightly larger than house flies and a dull grayish-brown. Female cluster flies mate in the spring, laying their eggs in soil crevices, which take three days to hatch. There are generally four generations of cluster fly larvae per year. A Cluster fly is very much similar to a house fly. Cluster flies come from the ‘Calliphoridae’ family.
Cluster flies are thought to be native to Europe and may have found their way to North America in the ballast of ships containing soil and the cluster fly host, earthworms. The cluster fly larvae burrow into the bodies of earthworms where they continue the process of developing. Cluster flies are large black coloured flies with the scientific name ‘ Pollenia rudis’, they show up in homes from late fall through early spring. Scientific Name: Pollenia spp. 1) are slightly larger than the common house fly, Musca domestica . They gather in the upper levels of homes and other buildings including attic spaces and behind walls.
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