Cluster fly | |
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Male Pollenia sp. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Diptera |
Subsection: | Calyptratae |
Superfamily: | Oestroidea |
Family: | Polleniidae |
Genus: | Pollenia Robineau-Desvoidy, 1830 [1] |
Type species | |
Musca rudis [2] | |
Synonyms | |
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Cluster flies (a.k.a. grass flies or attic flies) are flies of the genus Pollenia in the family Polleniidae. Unlike the more familiar blow flies, such as the bluebottle genus Phormia they do not lay eggs in human food. They parasitise earthworms; the females lay their eggs near earthworm burrows, and the larvae then feed on the worms. But the biology of this group is relatively poorly known and a few have been recorded from other hosts including caterpillars and bees. [13]
Cluster flies seek refuge in cold weather and find their way into attic spaces and similar areas indoors. They often emerge on warm days, and cluster at windows attempting to exit (hence the name). [14]
The typical grass fly Pollenia rudis is about 7 mm long and can be recognised by distinct lines or stripes behind the head, short golden-coloured hairs on the thorax, and irregular light and dark grey areas on the abdomen. Cluster flies are typically slow-moving.
Cluster flies have a widespread distribution. Eight species are found in Britain and 31 in Europe. Pollenia species are also numerous in Australia and New Zealand (over 30 species); they are common in North America. P. rudis has spread widely in association with humans. [15]
In Popular Culture
American rock band, Phish, references the common name of this species on their ninth studio album Farmhouse. The song, titled Farmhouse is constructed in a classic earworm-style tune, was written by Trey Anastasio and Helena, Montana born bassist and record producer Tony Markellis. The song's repetitive lyrics offer lamentation about an inability to mitigate the insects within the song's imaginative "Farmhouse."
The Calliphoridae are a family of insects in the order Diptera, with almost 1,900 known species. The maggot larvae, often used as fishing bait, are known as gentles. The family is known to be polyphyletic, but much remains disputed regarding proper treatment of the constituent taxa, some of which are occasionally accorded family status.
Calliphora is a genus of blow flies, also known as bottle flies, found in most parts of the world, with the highest diversity in Australia. The most widespread species in North America are Calliphora livida, C. vicina, and C. vomitoria.
Bengalia is a genus of blow flies in the family Calliphoridae with one authority considering the genus to belong to a separate family Bengaliidae. These bristly and, unlike the greens and blues of most calliphorids, dull coloured flies, are especially noted for their relationship to ants. Little is known of their biology and life-cycle, although adults of many species are kleptoparasitic on ants and will snatch food and pupae being carried by ants or feed on winged termites. The apt name “Highwayman Fly” was given by an early observer of their way of robbing ants. Very little is known about their breeding habits. The genus is found in the Afrotropical and oriental region with one species from Australia possibly a recent introduction.
Cosmina is a genus of flies in the family Rhiniidae.
Polleniidae is a family of flies in the order Diptera. There are at least 6 genera and more than 190 described species placed definitively in Polleniidae, and other genera whose placement here is considered uncertain. The largest genus is Pollenia, with close to 190 species of flies commonly called "cluster flies".
Pollenia bartaki is a species of cluster fly in the family Polleniidae.
Pollenia griseotomentosa is a species of cluster fly in the family Polleniidae.
Pollenia tenuiforceps is a species of cluster fly in the family Polleniidae.
Pollenia mayeri is a species of cluster fly in the family Polleniidae.
Pollenia mediterranea is a species of cluster fly in the family Polleniidae.
Pollenia pseudintermedia is a species of cluster fly in the family Polleniidae.
Pollenia ruficrura is a species of cluster fly in the family Polleniidae.
Pollenia amentaria is a species of cluster fly in the family Polleniidae.
Pollenia bicolor is a species of cluster fly in the family Polleniidae.
Pollenia contempta is a species of cluster fly in the family Polleniidae.
Pollenia labialis is a species of cluster fly in the family Polleniidae.
Pollenia pediculata is a species of cluster fly in the family Polleniidae.
Pollenia viatica is a species of cluster fly in the family Polleniidae.
Morinia is a genus of flies in the family Polleniidae.
Dexopollenia bicolor is a species of cluster fly in the family Polleniidae.