Diptera.info :: Identification queries :: Diptera (adults)
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 Ephydra hians - Ephydridae USA
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| hedy2411 |
Posted on 04-11-2016 21:38
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 Member Location: Zeist, Holland Posts: 5232 Joined: 20.11.09 |
Who knows the name of this hairy Ephydridae fly..? Found 7-6-2016 in Oregon hedy2411 attached the following image:  [91.44Kb] Edited by hedy2411 on 05-11-2016 21:46 |
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| Tony Irwin |
Posted on 04-11-2016 22:21
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 Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Cirrula hians
Tony ---------- Tony Irwin |
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| hedy2411 |
Posted on 04-11-2016 22:25
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Member Location: Zeist, Holland Posts: 5232 Joined: 20.11.09 |
 Nice Tony, thank you for your reaction!Regards, Hedy |
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| John Carr |
Posted on 04-11-2016 23:56
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 Member Location: Massachusetts, USA Posts: 9845 Joined: 22.10.10 |
More commonly known as Ephydra hians. This is a common species in salt and alkaline lakes in the American West. Along with a few other species of Ephydra it thrives in lakes where little else can survive. |
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| hedy2411 |
Posted on 05-11-2016 21:40
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Member Location: Zeist, Holland Posts: 5232 Joined: 20.11.09 |
Thank you for adding your reaction John! This fly I actually found at the shore of Paulina Lake, of which I don't know if it is salty. I was also at Mono Lake, but I was too busy admiring the tufa's  I have another picture of it beneath. Regards, Hedy hedy2411 attached the following image:  [70.63Kb] Edited by hedy2411 on 05-11-2016 21:41 |
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| John Carr |
Posted on 06-11-2016 00:43
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Member Location: Massachusetts, USA Posts: 9845 Joined: 22.10.10 |
The hairs under the fore basitarsus are a male secondary sexual character of Ephydra subgenus Hydropyrus. |
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| hedy2411 |
Posted on 06-11-2016 11:18
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Member Location: Zeist, Holland Posts: 5232 Joined: 20.11.09 |
Thanks again John! Regards, Hedy |
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| John Carr |
Posted on 06-11-2016 13:19
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Member Location: Massachusetts, USA Posts: 9845 Joined: 22.10.10 |
Please submit the second photo to the gallery. |
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| hedy2411 |
Posted on 06-11-2016 23:17
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Member Location: Zeist, Holland Posts: 5232 Joined: 20.11.09 |
I'd do anything for you John!  I've summited this fly and also other USA flies, I hope Paul can use them for the gallery. Thank you for all! Regards, Hedy Edited by hedy2411 on 06-11-2016 23:18 |
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| Tony Irwin |
Posted on 07-11-2016 13:52
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Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Hydropyrus was synonymized with Cirrula by Mathis and Zatwarnicki in 1995.
Tony ---------- Tony Irwin |
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| John Carr |
Posted on 07-11-2016 14:59
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Member Location: Massachusetts, USA Posts: 9845 Joined: 22.10.10 |
Tony Irwin wrote: Hydropyrus was synonymized with Cirrula by Mathis and Zatwarnicki in 1995. I assume you mean in World Catalog of Shore Flies, which I don't have. Mathis' key in Manual of Central American Diptera (2009) keeps them separate. I don't know the justification for either position. |
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| Tony Irwin |
Posted on 07-11-2016 17:14
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Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Yes, the 1995 World Catalogue, though I also checked the latest 2016 version of that (which Wayne distributes to ephydrid workers) to ensure that it's still regarded as Cirrula. I think the fact that it appears in the Man.Cent.Am.Dipt. is simply that Wayne didn't update his key. It's not a genus I know (doesn't occur in the Palaearctic), so I have no opinion as to whether it should include Hydropyrus or not.
Tony ---------- Tony Irwin |
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| John Carr |
Posted on 09-11-2016 20:28
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Member Location: Massachusetts, USA Posts: 9845 Joined: 22.10.10 |
Please submit your North American flies to BugGuide too, at the general Diptera page http://bugguide.n...55/bgimage or on the family or species pages if you like. |
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