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 Opomyzoidea?
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| Nikita Vikhrev |
Posted on 10-07-2005 13:34
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 Member Location: Posts: 9193 Joined: 24.05.05 |
Moscow region, july, 3-4mm. My work with identification key lead me to superfamily Opomyzoidae. Am I right, please.  
Nikita Vikhrev - Zool Museum of Moscow University |
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| Paul Beuk |
Posted on 10-07-2005 15:00
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 Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
The top one is a member of the Lauxaniidae, but I am at the moment hesitant to put a name on it. The bottom one, I think, is Clusia flava of the Clusiidae. Paul - - - - Paul Beuk on https://diptera.info |
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| Nikita Vikhrev |
Posted on 10-07-2005 15:11
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Member Location: Posts: 9193 Joined: 24.05.05 |
1. Thank you Paul. 2. My message with two "long-snout" Syrphidae disappeared from forum sooner than I write in my notebook the name of second fly genus identified by Mr.Kahis Nikita Vikhrev - Zool Museum of Moscow University |
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| Jan Willem |
Posted on 10-07-2005 15:56
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 Member Location: Posts: 2122 Joined: 24.07.04 |
If I had to guess I would also have called the top one a lauxaniid. However I disagree on the second one. In the Clusia flava specimens I have studied I remember seeing dark spots at the back of the head which are missing in you specimen. More important your specimen has post-ventral bristles, which should be absent in Clusia flava. It does remind me of a member of the Scatophagidae, more specifically Norellia spinipes! Maybe Herman de Jong can confirm this. Jan Willem |
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| Paul Beuk |
Posted on 10-07-2005 23:04
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Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
JeeWee wrote: I disagree on the second one. In the Clusia flava specimens I have studied I remember seeing dark spots at the back of the head which are missing in you specimen. More important your specimen has post-ventral bristles, which should be absent in Clusia flava. It does remind me of a member of the Scatophagidae, more specifically Norellia spinipes! Maybe Herman de Jong can confirm this. Jan Willem You got a point. However, as far as I know the Norellia species are active much earlier in the year as the adults have to oviposit on daffodils. Maybe another scathophagid? And Herman is still no member of this group... Paul - - - - Paul Beuk on https://diptera.info |
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| Jan Willem |
Posted on 11-07-2005 18:54
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Member Location: Posts: 2122 Joined: 24.07.04 |
How about Norellisoma spinimana (also Scatophagidae)? In my notes I have collecting data of this species (all identified by Herman de Jong) from April, May, June, July, August, and September. This species also fits better considering the orbital bristles! The larvae of Norellisoma spinimana are stem-borers in various Rumex species. Jan Willem |
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| Paul Beuk |
Posted on 11-07-2005 19:50
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Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
You see: When we all stick together we will get somewhere! 
Paul - - - - Paul Beuk on https://diptera.info |
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| Nikita Vikhrev |
Posted on 11-07-2005 20:23
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Member Location: Posts: 9193 Joined: 24.05.05 |
Paul and Jan, thank you
Nikita Vikhrev - Zool Museum of Moscow University |
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but don't see the image in the post.