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

Phasia robertsonii is a species of flies in the family tachinid flies. They visit flowers of Pendleton's eryngo. They are diurnal.

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EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of Phasia robertsonii (Townsend 1891). View this species on GBIF