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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Brachyopini » Brachyopina » Brachyopa
Photo#1765963
Turkey Run Trail fly - Brachyopa
Copyright © 2019 Jillian H. Cowles

Turkey Run Trail fly - Brachyopa
Mt Lemmon Turkey Run Trail, Pima County, Arizona, USA
May 24, 2019
Near the edge of a stream, 8,000 ft elevation. Aspen grows not far from here. I am thinking it is either Brachyopa notata or possibly Hammerschmidtia ferruginea.
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Contributed by Jillian H. Cowles on 27 December, 2019 - 2:16pm
Last updated 29 December, 2019 - 4:21pm

Moved
Moved from Syrphid Flies.
… Martin Hauser, 29 December, 2019 - 4:21pm login or register to post comments

Moved
Moved from Flies.

Pretty sure this is Brachyopa and not Hammerschmidtia - I see no strong bristles on the thorax (though this could be due to the photo) but more convincingly the last segment of R4+5 is quite short compared with long in Hammerschmidtia - see

Within Brachyopa I am stuck between notata and gigas - unfortunately I recall the range for neither and diptera.dk is down these days. The thorax and abdomen seem more concolorous which would suggest gigas but the images here on BugGuide are a bit more ambiguous than the descriptions in Curran (1922).

A second opinion would be very welcome!
… Kelsey J.R.P. Byers, 28 December, 2019 - 2:46pm login or register to post comments

 
Certainly Brachyopa - the wing
Certainly Brachyopa - the wing venation a very good feature. I have sent it to Dr. Martin Hauser.
Note the hind basitarsus is somewhat inflated.
… Bill Dean, 29 December, 2019 - 6:49am login or register to post comments

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