Diptera.info :: Identification queries :: Diptera (adults)
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 Pinned Suillia parva, Heleomyzidae
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| JariF |
Posted on 28-04-2009 15:12
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 Member Location: Helsinki, Finland Posts: 2072 Joined: 20.01.06 |
Hi, this reddish brown Heleomyzidae was flying around Anemone nemorosa flowers. April 26.2009 Helsinki, Finland. Jari JariF attached the following image:  [117.18Kb] Edited by JariF on 28-04-2009 17:59 |
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| Andrzej |
Posted on 28-04-2009 16:31
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Member Location: Poland Posts: 2343 Joined: 05.01.06 |
Hmm, it Suillia parva/flavifrons species-group ! If scutellum is bare ventrally should be S. flavivrons, if hairy so S. parva 
dr. A. J. Woznica, Institute of Environmental Biology, Wroclaw University of Environmental & Life Sciences |
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| JariF |
Posted on 28-04-2009 17:59
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Member Location: Helsinki, Finland Posts: 2072 Joined: 20.01.06 |
Hooray ! Thank You Andrzej, we have a name  The scutellum is ventrally hairy, so it's parva. Thank You once more.Jari |
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| phil withers |
Posted on 28-04-2009 18:16
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Member Location: Lyon, France Posts: 521 Joined: 04.03.08 |
Not necessarily: it could be dawnae, which is not easy to separate in females. |
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| JariF |
Posted on 28-04-2009 19:09
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Member Location: Helsinki, Finland Posts: 2072 Joined: 20.01.06 |
Hmmm, that would be interesting. As far as I know Suillia dawnae is found only from British Islands  Everything is possible nowdays but I would be a bit sceptic with that. The second thing is, that this information is based only what I can find from Fauna Europaea database.Jari |
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| Andrzej |
Posted on 28-04-2009 19:51
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Member Location: Poland Posts: 2343 Joined: 05.01.06 |
Hi !, and ... what about the characters used in the British key by Phil ? Andrzej 
dr. A. J. Woznica, Institute of Environmental Biology, Wroclaw University of Environmental & Life Sciences |
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| phil withers |
Posted on 28-04-2009 21:09
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Member Location: Lyon, France Posts: 521 Joined: 04.03.08 |
I find dawnae much more frequently here in France than parva; just because I first found it in Britain does not mean it cannot occur elsewhere. The character to separate the two (which may not always work - limited material to try it on !) is whether the pruinosity on the frons reaches past the orbital bristles (parva) or not. The position of the orbitals may also work: in dawnae these are well forward of the anterior ocellus. Good luck ! |
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| Andrzej |
Posted on 28-04-2009 22:16
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Member Location: Poland Posts: 2343 Joined: 05.01.06 |
Thanks Phil for your comments ! Right, S. dumicola described from UK was found in Poland some years ago ! What about the distribution of S. dawnae in France. Is S. dawnae more limited to highlands or lowlands areas ?. dr. A. J. Woznica, Institute of Environmental Biology, Wroclaw University of Environmental & Life Sciences |
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| JariF |
Posted on 29-04-2009 05:42
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Member Location: Helsinki, Finland Posts: 2072 Joined: 20.01.06 |
Hi, I don't really know abouth the pruinosity but the bristles are visible in this bad picture. Jari JariF attached the following image:  [155.1Kb] |
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| phil withers |
Posted on 29-04-2009 17:42
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Member Location: Lyon, France Posts: 521 Joined: 04.03.08 |
I'd say parva on the strength of this pic. I have a feeling (nothing more than that yet without checking my collection) that dawnae is more lowland and parva more "alpine"...but don't quote me ! Incidentally, since I named it after my ex-wife, I'd be happy to sink it as a synonym one day ! |
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| Andrzej |
Posted on 29-04-2009 18:53
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Member Location: Poland Posts: 2343 Joined: 05.01.06 |
I agree fully with your opinion that S. parva is more " an alpine" species There is a small pseudovibrissa seen at the last picture !. I've noted it in more specimens ! Edited by Andrzej on 29-04-2009 18:54 dr. A. J. Woznica, Institute of Environmental Biology, Wroclaw University of Environmental & Life Sciences |
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