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Cuterebra tenebrosa
Photo#360075
Copyright © 2009
Richard H. Glassford II
Big Fly -
Cuterebra tenebrosa
Provo Canyon, Bridal Veil Falls, Utah County, Utah, USA
September 26, 2009
Size: 2.7 cm
Images of this individual:
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Contributed by
Richard H. Glassford II
on 21 December, 2009 - 9:45am
Last updated 23 December, 2009 - 3:01pm
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Cuterebra
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…
v belov
, 23 December, 2009 - 3:01pm
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Cuterebra tenebrosa female?
These all black bots are really tough to ID by photos. The wide eye margin makes this look like a female... but a bit of a guess. If it is female, then this could be C. tenebrosa, C. approximata or C. tenebriformis. The later C. tenebriformis is only known from CA and Nevada so this one is less likely by range, but not by much. C. approximata generally has white spotting near the eye which I don't see in your pics, but sometimes this is hard to see on a greasy specimen. So I would lean toward C. tenebrosa. See Sabrosky, C. W. 1986. North American Species of Cuterebra, the rabbit and rodent bot flies (Diptera: Cuterebridae) for the keys to these species. Even Sabrosky had a hard time with these three species as there appears to be variation in the look of these three critters. So my best guess. A picture of the last couple segments of the rear end might help?
…
George "Jeff" Boettner
, 21 December, 2009 - 12:59pm
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Ok I am uploading some more i
Ok I am uploading some more images. See if these help with the identification. If you need others I would be glad to take them.
Thanks for you help,
…
Richard H. Glassford II
, 22 December, 2009 - 1:52pm
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v belov
, 21 December, 2009 - 11:54am
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