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Platycheirus
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subgenus Platycheirus (Platycheirus subgenus Platycheirus)
»
Platycheirus hyperboreus
Photo#917432
Copyright © 2014
John Rosenfeld
Syrphid Fly -
Platycheirus hyperboreus
Allison Park, Allegheny County, Pennsylvania, USA
May 4, 2014
Has some damage (indentation) to its thorax.
Images of this individual:
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Contributed by
John Rosenfeld
on 6 May, 2014 - 10:11pm
Last updated 6 December, 2016 - 8:48pm
Moved
Moved from
Platycheirus
.
…
Kelsey J.R.P. Byers
, 6 December, 2016 - 8:48pm
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Thinking Platycheirus hyperbo
Thinking
Platycheirus hyperboreus
, courtesy Young et al 2016's new key:
1: female -> 79
79: margin rounded, best as I can tell, it's quite recessed -> 105
105: tergites with pale spots -> 108
108: all femora yellow at base -> 110
110: yellow spots rectangular, reaching margins -> 112
112: tergite 5 with pale spots -> 114
114: as second description (T6 dark, spots on T2 reduced, legs with rings) -> 115
115: T3-5 pollinosity too strong for
P. clypeus
, c and bm seem bare at base
Systema Dipterorum gives this species' range as Labrador/Greenland, but Young et al 2016 has it as far south as North Carolina.
…
Kelsey J.R.P. Byers
, 6 December, 2016 - 5:05pm
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Thanks Kelsey
Bold has a number of records in the US and a photo that looks pretty close
(1)
, seems like a good possibility.
…
John Rosenfeld
, 6 December, 2016 - 7:52pm
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Moved
Moved from
Syrphid Flies
.
…
Kelsey J.R.P. Byers
, 7 May, 2014 - 8:06pm
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One of the Platycheirus speci
One of the
Platycheirus
species - unfortunately, there are ~73 of them, so getting an ID is tricky (the latest reference, Young 2012, doesn't have an actual key, and most keys are based on male legs). Lovely shots!
…
Kelsey J.R.P. Byers
, 7 May, 2014 - 8:06pm
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