Length 5—5,5mm. Male: the abdomen is white with black spots. The cubital vein is forked. The venter is black with white incisures and a white spot. Female: the snout (rostellum) is long, the white spots above the antennae are linear and oblique, nearly meeting in the middle.[5][6][7][8]
Biology
The habitat is saltmarsh, waste ground and unimproved grassland, usually coastal. Adults are found from June to early September, peaking in July. Adults feed on pollen and nectar including that of Alisma plantago-aquatica, Cirsium, umbelliferae
Distribution
North, South USSR Siberia, Kazakhstan. North and Central Europe, in north to middle Sweden and in South to northern France. North Africa
↑ Zeegers, T.; Schulten, A. (2022). Families of Flies with Three Pulvilli: Field Guide Northwest Europe. Graveland: Jeugdbondsuitgeverij. pp.256pp. ISBN9789051070682.
↑ Seguy. E. Faune de France Faune n° 13 1926. Diptères Brachycères.308 p., 685 fig.
↑ George Henry VerrallStratiomyidae and succeeding families of the Diptera Brachycera of Great Britain- British flies (1909) BHL Full text with illustrations
↑ E. P. Narchuk in Bei-Bienko, G. Ya, 1988 Keys to the insects of the European Part of the USSR Volume 5 (Diptera) Part 2 English edition. Keys to Palaearctic species but now needs revision.
↑ William LundbeckDiptera Danica. Genera and species of flies Hitherto found in Denmark. Copenhagen & London, 1902-1927. 7 vols This article incorporates text from this source, which is in the public domain.
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