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Drone fly feeding on marigold.jpg
Eristalis tenax feeding on a flower
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Subfamily: Eristalinae

Eristalinae (or Milesiinae) are one of the three subfamilies of the fly family Syrphidae, or hoverflies. A well-known species included in this subfamily is the dronefly, Eristalis tenax.[1][2]

Rhingia sp.

Larvae live in sap trails, under bark, in rot-holes in trees and in decaying organic material such as dung and compost. Most larvae feed on decaying organic debris. They are filter feeders in many kinds of aquatic media. They purify water by filtering microorganisms and other products. Some feed on bulbs and are considered garden pests.


  1. ^ Bartsch, Hans (2009). Tvåvingar: Blomflugor Diptera: Syrphidae: Eristalinae & Microdontinae [Flies: hoverfly Diptera: Syrphidae: Eristalinae & Microdontinae] (hardback). Nationalnyckeln/en/ (in Swedish). 2. The Swedish Taxonomy Initiative. pp. 1–478. ISBN 9789188506702. 
  2. ^ Stubbs, Alan E.; Falk, Steven J. (2002). British Hoverflies: An Illustrated Identification Guide (2nd of Revised ed.). British Entomological and Natural History Society. p. 469. ISBN 978-1899935055.