| Helophilus affinis | |
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| Species: | H. affinis |
| Binomial name | |
| Helophilus affinis Wahlberg, 1844 | |
| Helophilus affinis | |
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| Species: | H. affinis |
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| Helophilus affinis Wahlberg, 1844 | |
Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae (maggots) eat a wide range of foods. In some species, the larvae are saprotrophs, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores and prey on aphids, thrips, and other plant-sucking insects.
The Sikorsky R-4 is a two-seat helicopter that was designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1. In British service it was known as the Hoverfly.
Volucella pellucens, the pellucid fly, is a hoverfly.
The British Entomological and Natural History Society or BENHS is a British entomological society. It is based at Dinton Pastures Country Park in Reading.
Rat-tailed maggots are the larvae of certain species of hoverflies belonging to the tribes Eristalini and Sericomyiini. A characteristic feature of rat-tailed maggots is a tube-like, telescoping breathing siphon located at its posterior end. This acts like a snorkel, allowing the larva to breathe air while submerged. The siphon is usually about as long as the maggot's body, but can be extended as long as 150 mm (5.9 in). This organ gives the larva its common name.
Episyrphus balteatus, sometimes called the marmalade hoverfly, is a relatively small hoverfly (9–12 mm) of the Syrphidae family, widespread throughout the Palaearctic region, which covers Europe, North Asia, and North Africa. It is considered the most abundant native hoverfly in Central Europe.
Eristalinae are one of the four subfamilies of the fly family Syrphidae, or hoverflies. A well-known species included in this subfamily is the dronefly, Eristalis tenax.
Volucella zonaria, the hornet mimic hoverfly, is a species of hoverfly. These flies are capable of buzz pollination.
Sphaerophoria scripta, the long hoverfly, is a species of hoverfly belonging to the family Syrphidae.
Melanostoma mellinum is a very common species of hoverfly found in many parts of Britain, Europe including the Mediterranean basin and North Africa, the East Palearctic, and North America.
Baccha elongata is a species of hoverfly in the genus Baccha.
Platycheirus tarsalis is a species of hoverfly. It is found in many parts of Britain and Europe.
The Sikorsky R-6 is an American light two-seat helicopter of the 1940s. In Royal Air Force and Royal Navy service, it was named the Hoverfly II.
The Brachyopini is a tribe of hoverflies. Unlike many members of this family these flies are generally darker and less colourful though some genera contain species with an attractive metallic lustre e.g. Chrysogaster. Some like Brachyopa are associated with sap runs where their larvae feed on decaying sap. Others are found in boggy areas where their often semiaquatic larvae feed on decaying organic matter.
Eristalini is a tribe of hoverflies. Several species are well-known honeybee mimics, such as the drone fly Eristalis tenax, while other genera such as Helophilus and Parhelophilus exhibit wasp-like patterns of yellow and black stripes, both strategies to avoid predation by visual predators such as birds.
Pipizini is a tribe of small to medium-sized generally black hoverflies, although some species also have orange spots on their abdomen. This nondescript colouring can lead to some species being confused with other dark hoverflies from other tribes. The lack of a facial knob is a good defining feature which separates them from most of these other hoverflies. As with other species in the subfamily Syrphinae the larvae feed on aphids though there seems to be a preference for wax-secreting aphids e.g. Pemphigidae.
Chrysotoxum arcuatum, is a species of hoverfly. It is widespread throughout Britain and Ireland but much more common in the upland districts of the north and west where it is typically found at ground level near woodland and moorland edges. The larvae are thought to feed on root aphids associated with ant colonies.
The Spheginina is a subtribe of hoverflies.
The Brachyopina is a subtribe of hoverflies.
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