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Eupeodes

(Redirected from Metasyrphus)

Eupeodes, the aphideater flies, are a genus of moderate hoverflies in the family Syrphidae. They are distributed worldwide. They are black with yellow markings and can be easily confused with other genera in the Syrphini tribe. Larvae feed on a wide variety of aphids. The adults feed on nectar and pollen as sources of energy and protein, respectively, and often hover over the plants they visit.[1][2]

  • E. fumipennis female hovering
    E. fumipennis female hovering
  • E. volucris female hovering
    E. volucris female hovering
Eupeodes
Eupeodes corollae male
Eupeodes americanus female
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Tribe: Syrphini
Genus: Eupeodes
Osten Sacken, 1877
Subgenus
Synonyms
Eupeodes americanus, larva

Description

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The aphideater flies are 6–14 mm (0.24–0.55 in) in length. The eyes have either no hairs, or rarely very short and sparse pile. The face is usually yellow, with a narrow but distinct brown median stripe. The scutum is usually shining black, but rarely slightly yellow pruinose laterally. The scutellum is dull yellow, translucent. The ventral scutellar fringe is complete and moderately dense. The pleura are black or grayish black, never yellow, usually shining or with very sparse subshining pruinosity on the upper half. The anterior anepisternum, meron, and metepisternum are all bare. The abdomen is oval, usually nearly flat above, with a strong margin from near the middle of tergite 2 to the apex of tergite 5. Tergite 2 typically has a pair of yellow spots, while the other tergites usually have pale yellow to reddish yellow spots commonly lunulate or with bands of similar colour almost straight. The vein R4+5 is nearly straight or slightly but distinctly dipped into cell r4+5. The wing membrane is usually nearly entirely trichose, with only small bare areas near the base (syrphus has tufts of pile on caypters). The legs are slender, and the hind femur is unarmed. The hind coxa does not have hairs at the posteromedial apical angle.[3]

Species

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References

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Wikimedia Commons has media related to Eupeodes.
  1. ^ Vockeroth, J. R. (1992). The Flower Flies of the Subfamily Syrphinae of Canada, Alaska, and Greenland (Diptera: Syrphidae). Part 18. The Insects and Arachnids of Canada (PDF). Ottawa, Ontario: Canadian Government Pub Centre. pp. 1–456. ISBN 0-660-13830-1. Archived from the original (PDF) on 2013-06-15. Retrieved 2013-06-26.
  2. ^ Skevington, Jeffrey H.; Locke, Michelle M.; Young, Andrew D.; Moran, Kevin; et al. (2019). Field Guide to the Flower Flies of Northeastern North America. Princeton Field Guides. Princeton University Press. ISBN 9780691189406.
  3. ^ Fluke, C. L (1952). "The Metasyrphus Species of North America". The American Museum of Natural History. 1590: 1–27. hdl:2246/2398.
  4. ^ a b c d Curran, Charles Howard (1925). "Contribution to a monograph of the American Syrphidae north of Mexico". The Kansas University Science Bulletin. 15: 7–216.
  5. ^ a b c d e f Dusek, J. & Laska, P. (1976) European species of Metasyrphus: key, descriptions and notes. Acta ent. bohemoslov., 73: 263 – 282
  6. ^ a b He, J.L; Li, Q.X; Sun, X.Q (1998). "A study of Chinese Eupeodes with descriptions of two new species". Acta Entomologica Sinica. 41 (3): 291–299.
  7. ^ a b c d Fluke, C. L (1952). "The Metasyrphus Species of North America". The American Museum of Natural History. 1590: 1–27. hdl:2246/2398.


 

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