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Spallanzania hesperidarum is a species of flies in the family tachinid flies. They visit flowers of Pendleton's eryngo, roughleaf coneflower, Suisun Marsh aster, and Ruth's milkweed. They are diurnal.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of Spallanzania hesperidarum Williston 1889. View this species on GBIF