Diptera.info :: Identification queries :: Diptera (adults)
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 Hydrophorus
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| Nikita Vikhrev |
Posted on 31-08-2006 15:29
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 Member Location: Moscow, Russia Posts: 9423 Joined: 24.05.05 |
Moscow region, 31 aug. I didn't collect this large (at least 5mm or more) fly. Upper part of face looks gren but not shining. I think it is female of another that H. bipunctatus species. Help, please, if possible. Nikita Vikhrev attached the following image:  [59.18Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Kahis |
Posted on 31-08-2006 17:54
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 Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Hydrophorus borealis.
Kahis |
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| Nikita Vikhrev |
Posted on 31-08-2006 19:36
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Member Location: Moscow, Russia Posts: 9423 Joined: 24.05.05 |
Thank you Kahis!
Nikita Vikhrev - Zool Museum of Moscow University |
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| Nikita Vikhrev |
Posted on 31-08-2006 19:38
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Member Location: Moscow, Russia Posts: 9423 Joined: 24.05.05 |
Thank you Kahis. This 2 rows of white stripes on mesotonum, is it charactered for H. borealis? Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| Kahis |
Posted on 31-08-2006 19:48
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Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Nikita Vikhrev wrote: This 2 rows of white stripes on mesotonum, is it charactered for H. borealis? Not really. It is present in most darker Hydrophorus. What is characteristic then you may ask? Let's see: * Haltere partially darkened (not all-yellow or all-black) * Lower face brown, upper face green but not glossy * Spots on wing * Hairs on fore coxa pale yellow * Legs with short hair (the long-haired species are mostly arctic so finding one in Moskow is unlikely) Kahis |
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| Nikita Vikhrev |
Posted on 31-08-2006 19:57
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Member Location: Moscow, Russia Posts: 9423 Joined: 24.05.05 |
Thank you.
Nikita Vikhrev - Zool Museum of Moscow University |
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