Hover Flies

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Hover Flies


(Syrphidae), a family of dipterous flies of the suborder Brachycera. The flies are usually of average size (5–15 mm); less frequently they are large (up to 25 mm). There are about 4,000 species. They are found mainly in the tropics. In the USSR there are about 600 species. They fly well and often hover in the air. They are important in the pollination of plants, especially cultivated crops. Representatives of the various Syrphidae genera develop differently. Larvae of the genus Syrphus and other predatory members of Syrphidae live openly on plants, feeding mainly on aphids, thus benefiting the plant. Larvae of other genera (for example, Eristalis) live in water, feeding on decomposing matter and silt. The larvae of many genera are herbivorous; they live in the stems or bulbs of some herbaceous plants. The latter group includes small narcissus flies (Eumerus strigatus and E. tuberculatus), which are very harmful to onion bulbs. The larvae of some Syrphidae live in the nests of “social” Hymenoptera (bumblebees, wasps, and ants).


Opredelitel’ nasekomykh Evropeiskoi chasti SSSR, vol. 5, part 2. Leningrad, 1970.


References in periodicals archive ?
An introduction deviceforthe aphidophagous hoverfly Episyrphus balteatus (De Geer) (Diptera: Syrphidae).
Similar to the hoverfly assessment, the aphis infestation survey began on the same day that the transect was demarcated, except in Londrina (seven days after the transect was demarcated).
Hoverfly develops remotely piloted aerial robots meant to enable nearly hands-free flight and video capture in the air.
The pine hoverfly looks like a bumblebee and was thought to be extinct until the 1990s.
Ladybirds and some hoverfly eat green and blackfly, so plant some simple species with accessible pollen, such as poached egg plants, Californian poppies and angelica to attract them.
First, hoverfly embryos are removed from their eggs.
Could it be the proper function of routines in the frog's visual system to signal the presence of nearby flies (or of food or of small dark specks) -- or the proper function of routines in the hoverfly to signal the proximity of mates?
The California poppies are inundated by every kind of bee, wasp and hoverfly.
Ken's image of a hoverfly on a poppy won the Nature Up Close category of the North East Wildlife Photography competition.
Seasonal Variation in Abundance and Composition of Hoverfly (Diptera: Syrphidae) Communities in Multan, Pakistan.