Centre for Biodiversity Genomics. CBG Photography Group. Year: 2016.   cc-by-nc-sa-3.0

Chalcosyrphus nemorum is a species of flies in the family flower flies. They visit flowers of carpenter's square, Canadian Horseweed, Common osier, and purple false foxglove. They are diurnal.

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EOL has data for 12 attributes, including:

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