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Eristalis is a large genus of hoverflies, family Syrphidae, in the order Diptera. Several species are known as drone flies because they bear a resemblance to honeybee drones.
Xylota is a Holarctic genus of hoverflies similar in structure to the related genera Chalcosyrphus and Brachypalpoides. As the larvae are saprophytic they're usually found in rotting wood. The adult flies are generally associated with woodland and woodland edges and can often be seen running over the upper sides of leaves. Unlike other syrphids the adults of many species rarely visit flowers preferring instead to gather pollen from leaf surfaces. There are over 100 described species of which 12 can be found in Europe. Seven species have been recorded in Britain. Identification of species has been difficult and identifiction by photographs is risky.
Cheilosia is a genus of hoverfly. Most Cheilosia are black or largely un-coloured, lacking the bright colours and patterns of many hoverfly species. It is one of the most species diverse genera of hoverflies. The biology of many species is little understood, but where known, the larvae of Cheilosia species feed in the stems of plants or in fungi.
The genus Chrysotoxum consists of large, wasp-mimicking species. The adults are distinguished by very long antennae, oval abdomen with yellow stripes, and yellow patterns on the thoracic pleurae . The species of Chrysotoxum are chiefly Holarctic in distribution. . The species in this genus,, are mostly very uniform in structure and colour and are separated with difficulty. Larvae are specialized in preying upon root aphids associated with ant nests.
Dasysyrphus is a genus of hoverflies.
Platycheirus is a large genus of hoverflies. They are also called sedgesitters.
Melangyna is a genus of hoverflies.
Sphaerophoria is a genus of hoverflies.
Pipiza is a genus Hoverflies, from the family Syrphidae, in the order Diptera. Most are dark hoverflies.
Empis is a genus of dance fly, in the fly family Empididae. It contains the following subgenera and species:
Thereva is a genus of flies from the family Therevidae commonly known as Stiletto flies.
In the 10th edition of Systema Naturae, Carl Linnaeus classified the arthropods, including insects, arachnids and crustaceans, among his class "Insecta". Insects with simply two wings were brought together under the name Diptera.
The Syrphini are a tribe of hoverflies.
Total of 245 species either found or highly expected to be found in New York.
References
- Chandler, P.J., Nash, R, and O’Connor, J.P 2008 An Annotated Checklist of the Irish Two-winged flies (Diptera) The Irish Biogeographical Society and the National Museum of Ireland, Dublin
- Chandler, P.J..1998 Checklist of Insects of the British Isles (New Series) Part 1: Diptera (Incorporating a List of Irish Diptera) Handbooks for the Identification of British Insects, Volume 12, 234 pages.
- Speight, M.C.D. Species accounts pdf
- William Lundbeck, 1916. Lonchopteridae, Syrphidae. Diptera Danica 5. Copenhagen. BHL full text
- Rotheray G., 1993 Colour Guide to Hoverfly Larvae Diptera, Syrphidae in Britain and Europe Dipterists Forum pdf