Syrphidae! - Spilomyia
Rohnert Park, Sonoma County, California, USA
September 1, 2016
Size: Best guess: 15+mm
E Section of Rohnert Park, AM fog burning off. 65 d F, 0-5 mph. Inside a shrub in the AM in a sunbeam moving its wings laterally (to warm up?). Had to shoot between branches. 50+ years in the field, and I've never seen this one before.
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