Diptera.info :: Identification queries :: Diptera (adults)
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 Delia floralis? = Hydrotaea irritans
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| Anczoviczka |
Posted on 26-10-2016 18:12
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Member Location: Posts: 114 Joined: 31.08.14 |
Hi, I found this fly on meadow, 500 masl, Czech R., 30. July Thanks for your help. Anczoviczka attached the following image:  [189.22Kb] Edited by Anczoviczka on 17-02-2017 21:08 |
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| Anczoviczka |
Posted on 26-10-2016 18:13
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Member Location: Posts: 114 Joined: 31.08.14 |
Anczoviczka wrote:
Hi, I found this fly on meadow, 500 masl, Czech R., 30. July Thanks for your help. Anczoviczka attached the following image:  [154.13Kb] |
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| Anczoviczka |
Posted on 26-10-2016 18:13
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Member Location: Posts: 114 Joined: 31.08.14 |
Anczoviczka wrote:
Anczoviczka wrote: Hi, I found this fly on meadow, 500 masl, Czech R., 30. July Thanks for your help. Anczoviczka attached the following image:  [197.1Kb] |
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| Stephane Lebrun |
Posted on 26-10-2016 18:42
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
This is a male Hydrotaea. Maybe Nikita can give a species name.
Stephane. |
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| Anczoviczka |
Posted on 26-10-2016 20:14
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Member Location: Posts: 114 Joined: 31.08.14 |
Thank you Stephane. How to distinguish Hydrotaea? |
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| Stephane Lebrun |
Posted on 26-10-2016 20:49
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Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
Males with modified fore legs (femora notched, with hooks/tubercles/ridges etc.) = Hydrotaea.
Stephane. |
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| Anczoviczka |
Posted on 26-10-2016 20:52
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Member Location: Posts: 114 Joined: 31.08.14 |
I understand. Thank you. |
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| Nikita Vikhrev |
Posted on 27-10-2016 16:46
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 Member Location: Moscow, Russia Posts: 9410 Joined: 24.05.05 |
Stephane, I can't see any possibility except for H. irritans: densely grey dusted body (thuogh well may be much less dusted as well); a pair of elongated prst ac just before suture; f2 with at least 1 ventral spine visible; f3 with strong av only in apical 1/3; f3 and t3 only slightly curved. End of July and on flowers also fit good.
Nikita Vikhrev - Zool Museum of Moscow University |
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| Stephane Lebrun |
Posted on 27-10-2016 17:36
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Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
I silently came to the same conclusion, but I'm never very confident with this genus. Thank you Nikita.
Stephane. |
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| Nikita Vikhrev |
Posted on 27-10-2016 18:02
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Member Location: Moscow, Russia Posts: 9410 Joined: 24.05.05 |
I hope to publish the revision of Palaearctic Hydrotaea next year. But the matter moves forward very slowly, a difficult genus indeed. On the other hand which genus is easy? Achanthiptera, may be...
Nikita Vikhrev - Zool Museum of Moscow University |
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| Anczoviczka |
Posted on 04-11-2016 13:49
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Member Location: Posts: 114 Joined: 31.08.14 |
Thank you both. |
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