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Key to Nordic Muscina
Muscina
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Diptera
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Muscidae
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Muscina
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Steps
Steps
Taxa:
Legs
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1. Legs partially yellow or orange. Mid and hind femur entirely dark.
2. Legs, including mid and hind femur, partially yellow or orange.
3. Legs black.
Palps
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Palps black.
Palps yellow.
Vein M1
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Vein M1 rather weakly curved, cell r4+5 almost 3/4 as wide at the tip as where it is widest.
Vein M1 more strongly curved, cell r4+5 less than half as wide at the tip as where it is widest.
Scutellum
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The sides of the scutellum sparsely hairy, the hairs do not reach the lower edge of the scutellum.
The sides of the scutellum are more densely hairy, some hairs reach the lower edge of the scutellum or even the underside.
Halteres
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Knob of haltere yellow.
Knob of haltere dark.
Antennae
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Antennae partially reddish.
Antennae black.
Thorax
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Thorax distinctly striped.
Thorax with weaker stripes.
Male colour
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Metasoma of male partially red.
Metasoma of male not red.
Calypters
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Lower calypter narrow, as wide as upper calypter and do not follow the edge of the scutellum.
Lower calypter broad, wider than upper calypter and follow the edge of the scutellum.
Cell r4+5
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Cell r4+5 less strongly narrowed towards wing margin, about 0.44 as wide as at its widest part.
Cell r4+5 more strongly narrowed towards wing margin, about 0.36 as wide as at its widest part.
Anterior notopleural seta
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Some hairs present around the anterior notopleural seta.
Hairs around anterior notopleural seta usually absent.
Basicosta
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Basicosta yellow.
Basicosta black.
Frontal vitta
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Male with frontal vitta linear.
Male with frontoorbital plates separated by distinct frontal vitta.
f3
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Male with f3 at basal 1/3 with 3-4 long fine v setae.
Male with f3 at basal 1/3 without long fine v setae.
Remaining taxa:
Muscina angustifrons
Muscina levida
Muscina pascuorum
Muscina prolapsa
Muscina stabulans
Discarded taxa:
Info
This key covers all northern European species of
Muscina
.
Compiled by Johan Ennerfelt
References
Gregor, F., Rozkošný, R., Barták, M. & Vaňhara, J. (2002). The Muscidae (Diptera) of Central Europe. Masaryk University.
Ringdahl, O. (1954–1959). Tvåvingar. Diptera Cyclorapha Schizophora Schizometopa. 1. Fam. Muscidae. Svensk Insektfauna 11.
Vikhrev, N.E. & Esin, M.N. (2023). Notes on Palaearctic Muscina (Diptera, Muscidae). Amurian Zoological Journal 15(1): 31–41.
https://doi.org/10.33910/2686-9519-2023-15-1-31-41
