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Diptera.info :: Family forums :: Syrphidae
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Orthonevra geniculata ?
John Bratton
#1 Print Post
Posted on 20-04-2016 10:16
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Location: Menai Bridge, North Wales, UK
Posts: 638
Joined: 17.10.06

 Coll. 13 April 2016 on a seepage in heathland on Anglesey, North Wales, UK. It is a good fit to the keys except the cross vein is not darkened. In this situation, Stubbs & Falk suggest checking for Orthonevra spp. not recorded from UK.

John Bratton.
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John Bratton
#2 Print Post
Posted on 20-04-2016 10:16
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Location: Menai Bridge, North Wales, UK
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Joined: 17.10.06

 Antennae.
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John Bratton
#3 Print Post
Posted on 20-04-2016 10:17
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Location: Menai Bridge, North Wales, UK
Posts: 638
Joined: 17.10.06

 Face.
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John Bratton
#4 Print Post
Posted on 20-04-2016 10:17
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Location: Menai Bridge, North Wales, UK
Posts: 638
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 Dorsal.
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John Bratton
#5 Print Post
Posted on 20-04-2016 10:18
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Location: Menai Bridge, North Wales, UK
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 Wing veins.
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John Bratton
#6 Print Post
Posted on 20-04-2016 10:18
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Location: Menai Bridge, North Wales, UK
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 Genitalia.
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RobertZ
#7 Print Post
Posted on 30-04-2016 16:55
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Location:
Posts: 23
Joined: 17.01.16

 Broad face, long two-colour antennae, two-colour pterostigma, one of veins on the wing visibely darked -> O. geniculata!

Robert
 
John Bratton
#8 Print Post
Posted on 06-05-2016 16:34
Member

Location: Menai Bridge, North Wales, UK
Posts: 638
Joined: 17.10.06

 Thanks very much. I can't put you as determiner as you haven't said who you are.

John
 
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