Centre for Biodiversity Genomics. CBG Photography Group. Year: 2010.   cc-by-nc-sa-3.0

Hercostomus is a genus of flies in the family long-legged fly. They visit flowers of mountain arnica, goldenrod, heath bedstraw, and Tormentil. They are diurnal.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of Hercostomus. View this species on GBIF