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fly on tansy ragwort - Platycheirus - male - female

fly on tansy ragwort - Platycheirus - Male Female
Rocky Point Picnic Grounds on north end of Whidbey Island, Island County, Washington, USA
September 5, 2011
Size: +/- 1/2"
I was able to track this fly down to Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » Aschiza » Syrphid Flies (Syrphidae) » Eristalinae » Volucellini » Copestylum but can't narrow it down any further with the pictures here. This fly has all yellow legs and an orange underbelly while the pictures here show mostly dark or partial yellow on the legs and light underbellies. anyone recognize this little beauty?

Moved from Syrphid Flies.

A belated "No, it's not Copestylum"
Those flies are more squat. This is nice specimen which, mostly from the legs, I believe to be Platycheirus. Info here:

Moved from ID Request.

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