Syrphini

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thumb|Eupeodes americanus, larva

thumbnail|right|Female Chrysotoxum bicinctum The genus Chrysotoxum (Meigen, 1803) 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 (sides of the thorax). 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.

thumb|Image by Harold Maxwell-Lefroy - Life history of Syrphus Syrphus is a genus of hoverflies. It can be distinguished from other genera of the tribe Syrphini because it is the only genus that has long hairs on the upper surface of the lower lobe of the calypter (as well as hairs on the rear margin of the calypter as in most Syrphini).

Sphaerophoria is a genus of hoverflies. They occur worldwide but are common in North America, Europe, Asia and Australia, with over 70 described species.

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thumb|thumbtime=0:49|Paragus sp. feeding on Tansy|Tanacetum vulgare. Paragus is a genus of hoverflies.

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Dasysyrphus is a genus of hover flies with 50 identified species distributed worldwide (see distribution map). While the genus is relatively easy to identify, the differences between species have a more narrow range of variations. Therefore, identification of species by images of specimens alone should be made with care (See available keys below).

Didea, the lucent flies is a holarctic genus of black and yellow large sized flies . belonging to the hoverfly family of Diptera. The larvae feed on aboreal aphids.

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Melangyna is a genus of hoverflies.

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Leucozona is a genus of hoverflies. Species within this genus typically have a variegated pattern of dull and bright colours on the thorax and abdominal segments such as white or even blue (Leucozona glaucia). This colouration allows the hoverfly to mimic more predaceous bees and wasps, for example Leucozona lucorum.

Meliscaeva is a genus of hoverflies.

Scaeva is a genus of hoverflies. The taxonomy of the genus, and the related genera Simosyrphus and Ischiodon has been discussed by Láska et al. (2006)

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thumb|thumbtime=181|Female Toxomerus occidentalis|Western Calligrapher on [[zinnia taking pollen and nectar. Insert shows entire visit at 3X speed. Some portions of main video shown at one-tenth speed.]]

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Asarkina is a genus of hoverfly. Mostly found on cucurbits.

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Episyrphus is a genus of hoverflies in the subfamily Syrphinae. Larvae are predatory, often on aphids.

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Eriozona is a genus of hoverflies in the subfamily Syrphinae.

Allograpta is a very large and diverse genus of hoverflies present throughout the world except most of the palearctic region. The adults are brightly coloured flower pollinators and most larvae have a predatory feeding mode involving soft-bodied sternorrhynchans. Certain species have diverged from this and their larvae have been found to be leaf-miners, stem-borers or pollen-feeders.

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Ischiodon is a genus of hoverfly.

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Parasyrphus is a genus of hover fly found in the holarctic area of the world including species like Parasyrphus tarsatus located in some very northern areas. Very few of the 31 identified species have known larvae. Of the known larvae most are predators of tree aphids with two, Parasyrphus nigritarsis and Parasyrphus melanderi, that feed on beetle eggs and larvae.

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