Melanostoma dubium is a Palearctic species of hoverfly.[2][3]
Description
A small black (4–6 mm long) fly, dark bronze or green bronze, with pale abdominal markings. It is hard to separate this species from other Melanostoma.[4][5]
Distribution and biology
Found from Fennoscandia south to the Pyrenees and from Scotland east through North Europe and the mountains Central Europe into European Russia and on through Siberia to Yakutia. The habitat is montane and alpine grassland and moor. Flowers visited include Carex, Potentilla erecta, Ranunculus. Flies from July to August dependent on altitude.[6]
References
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^ Insecta pro
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^ Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN 1-870393-54-6.
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^ Morris, Roger K. A. (1999). Hoverflies of Surrey. Surrey Wildlife Trust. p. 244. ISBN 0-9526065-3-4.
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^ 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.
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^ 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.
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^ Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
