Neoascia geniculata

Neoascia geniculata
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Genus:	Neoascia
Subgenus:	Neoasciella
Species:	N. geniculata
Binomial name
	Neoascia geniculata; (Meigen, 1822)

Neoascia geniculata is a Palearctic hoverfly.

Description

External images For terms see Morphology of Diptera
The 3rd segment of the antenna is rounded-oval (length barely exceeding width). The hypopygium is clothed with white hairs. Abdomen blackish bronzy in male with fairly broad reddish yellow bands on tergite 3; in female bronzy with black dots over greater part of tergite 3 (latter character distinguishing female of N. geniculata Mg. from female of N. aenea Mg.). Surstyli elongated-oval. Body length 4.0 to 5.0 mm. [1][2] [3][4][5]

Distribution

Scandinavia South to central France. Ireland East through Central Europe, European Russia to Siberia.[6][7]

Habitat

Wetlands- acid fen, calcareous fen aapamire and raised bog.

Biology

Flies low among vegetation in May to September Flowers visited include white umbellifers, Alisma plantago-aquatica, Baldellia ranunculoides , Caltha palustris, Potentilla erecta, Ranunculus. [8]

References

Van der Goot,V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. KNNV, Uitgave no.32: 275pp. Amsterdam.
Stubbs, Alan E. & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide (2nd (revised) ed.). British Entomological & Natural History Society. p. 271, xvpp. ISBN 0-9502891-3-2.
Bei-Bienko, G.Y. & Steyskal, G.C. (1988a) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. ISBN 81-205-0080-6.
Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf
Fauna Europaea
Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.

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[1] Van der Goot,V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. KNNV, Uitgave no.32: 275pp. Amsterdam.

[2] Stubbs, Alan E. & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide (2nd (revised) ed.). British Entomological & Natural History Society. p. 271, xvpp. ISBN 0-9502891-3-2.

[3] Bei-Bienko, G.Y. & Steyskal, G.C. (1988a) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. ISBN 81-205-0080-6.

[4] Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum

[5] Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf

[6] Fauna Europaea

[7] Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.

[Speight-8] Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.