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At least this one appears to key out to Olcella using Sabrosky's chloropid key in the Manual of the Nearctic Diptera. My understanding is that the Nearctic species are in need of revision so I haven't tried to take the ID further. However, confirmation/correction of the ID would be much appreciated
Thanks in advance
Steve







dorsal view of right wing illuminated 2 different ways to show the unpigmented venation


focus stack taken at higher magnification/resolution than the 1st dorsal stack