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Julie Filiberti   cc-by-nc-4.0

Geron calvus is a species of flies in the family bee flies. They visit flowers of woodland sunflower, yarrow, milfoil, narrowleaf mountainmint, and blackeyed Susan. They are diurnal.

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EOL has data for 9 attributes, including:

Known occurrences, collected specimens and observations of Geron calvus Loew 1863. View this species on GBIF