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Chalcosyrphus nemorum is a species of flies in the family flower flies. They visit flowers of goat willow, Lesser Spearwort, closed bottle gentian, and low mallow. They are diurnal.

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EOL has data for 15 attributes, including:

Known occurrences, collected specimens and observations of Chalcosyrphus nemorum (Fabricius 1805). View this species on GBIF