Chalcosyrphus

Chalcosyrphus
	Chalcosyrphus violascens female
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Eristalinae
Tribe:	Xylotini
Genus:	Chalcosyrphus; Curran, 1925
Subgenera
	Chalcosyrphus Curran, 1925; Cheiroxylota Hull, 1949; Dimorphoxylota Hippa, 1978; Hardimyia Ferguson, 1926; Neplas Porter, 1927; Neploneura Hippa, 1978; Spheginoides Szilády, 1939; Syrittoxylota Hippa, 1978; Xylotina Hippa, 1978; Xylotodes Shannon, 1926; Xylotomima Shannon, 1926;

Chalcosyrphus is a genus of hoverflies in the subfamily Eristalinae. Many species exhibit some degree of mimicry of various sawflies and other hymenopterans and are often brightly coloured or metallic in hue. The adults are similar in structure and behavior to the related genus Xylota but differ in larval morphology. They can be found throughout Europe, Asia, and North America and seem to prefer damper, boggy habitats. The larvae are saproxylic feeders in rotten wood in these habitats.[1]

Species

Subgenus: Chalcosyrphus

C. amurensis (Stackelberg, 1925)
C. anomalus (Shannon, 1925)
C. aristatus (Johnson, 1929)
C. carbonus (Violovitsh, 1975)
C. depressus (Shannon, 1925)
C. eugenei Mutin, 1987
C. femoratus (Linnaeus, 1758, 1758)
C. flexus (Curran, 1941)
C. jacobsoni (Stackelberg, 1921)
C. japonicus (Shiraki, 1968)
C. longus (Coquillett, 1898)
C. nigricans (Shiraki, 1968)
C. nigripes (Zetterstedt, 1838)
C. nigromaculatus (Jones, 1917)
C. nitidus (Portschinsky, 1879)
C. ontario (Curran, 1941)
C. pannonicus (Oldenberg, 1916)
C. rufipes (Loew, 1873)
C. sapporensis (Shiraki, 1930)
C. tuberculifemur (Stackelberg, 1963)
C. valgus (Gmelin, 1790)

Subgenus: Cheiroxylota

C. dimidiatus (Brunetti, 1923)

Subgenus: Dimorphoxylota

C. eumerus (Loew, 1869)

Subgenus: Hardimyia [2]

C. elongatus (Hardy, 1921)

Subgenus: Neplas

C. frontalis (Curran, 1941)
C. pauxilla (Williston, 1892)
C. pretiosa (Loew, 1861)

Subgenus: Neploneura [2]

C. melanocephala Hippa, 1978
C. pleuralis (Kertész, 1901)
C. ventralis (Walker, 1858)
C. victoriensis (Ferguson, 1926)

Subgenus: Spheginoides

C. obscura (Szilády, 1939)

Subgenus: Syrittoxylota

C. elegans (Hippa, 1985)

Subgenus: Xylotina

C. nemorum (Fabricius, 1805)

Subgenus: Xylotodes

C. eunotus (Loew, 1873)
C. inarmatus (Hunter, 1897)
C. metallifer (Bigot, 1884)
C. parvus (Williston, 1887)
C. sacawajeae (Shannon, 1925)

Subgenus: Xylotomima

C. anthreas (Walker, 1849)
C. curvaria (Curran, 1941)
C. curvipes (Loew, 1854)
C. dubius (Shannon, 1926)
C. interruptus (Panzer, 1804)
C. libo (Walker, 1849)
C. metallicus (Wiedemann, 1830)
C. piger (Fabricius, 1794)
C. plesia (Curran, 1925)
C. satanica (Bigot, 1884)
C. vecors (Osten Sacken, 1875)
C. violascens (Megerle, 1803)

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References

Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.
Thompson, F. C.; John Richard Vockeroth. "Family Syrphidae". Neal L. Evenhuis (editor), Catalog of the Diptera of the Australasian and Oceanian Regions (online version). Bishop Museum. Retrieved 2011-12-14.

Bibliography

Shannon, R. C. (1926). "Review of the American xylotine syrphid-flies" (PDF). Proceedings of the United States National Museum. 69 (9): 1–52. doi:10.5479/si.00963801.2635.
Stubbs, Alan E.; Falk, Steven J (1983). British Hoverflies: An Illustrated Identification Guide (2nd ed.). London: British Entomological and Natural History Society. pp. 253, xvpp. ISBN 1-899935-03-7.
Thompson, F. C. (1975). "Notes on the status and relationships of some genera in the tribe Milesiini (Diptera: Syrphidae)" (PDF). Proceedings of the Entomological Society of Washington. 77 (3): 291–305.
Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.

External links

Photographic examples and genus info: http://bugguide.net/node/view/7936/bgimage
Lifedesks page for "Chalcosyrphus" taxonomy and references: https://web.archive.org/web/20120502110623/http://syrphidae.lifedesks.org/pages/25038

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[VanVeen-1] Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.

[Thompson-2] Thompson, F. C.; John Richard Vockeroth. "Family Syrphidae". Neal L. Evenhuis (editor), Catalog of the Diptera of the Australasian and Oceanian Regions (online version). Bishop Museum. Retrieved 2011-12-14.