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Diptera.info :: Identification queries :: Diptera (adults)
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Sciomyzidae, Pherbellia dorsata ?
John Bratton
#1 Print Post
Posted on 03-02-2017 14:58
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Location: Menai Bridge, North Wales, UK
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Joined: 17.10.06

Collected in dune slack, Aberffraw, North Wales, 19 July 2016. More photos to follow.
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John Bratton
#2 Print Post
Posted on 03-02-2017 15:00
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Location: Menai Bridge, North Wales, UK
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Joined: 17.10.06

Wing (as you no doubt realised, but one has to write something or the post doesn't work).
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John Bratton
#3 Print Post
Posted on 03-02-2017 15:01
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Location: Menai Bridge, North Wales, UK
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Very short frontal stripe.
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John Bratton
#4 Print Post
Posted on 03-02-2017 15:01
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Location: Menai Bridge, North Wales, UK
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Terminalia
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John Bratton
#5 Print Post
Posted on 03-02-2017 15:03
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Location: Menai Bridge, North Wales, UK
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Joined: 17.10.06

The same, in alcohol. The reason to doubt dorsata is that the hairs on the arista are shorter than the Fauna Ent. Scand. key suggests they should be. The only other possibility I can see is P. griseola. So, another opinion would be appreciated, please.

John Bratton
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Fred Fly
#6 Print Post
Posted on 04-02-2017 08:32
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Location: Germany
Posts: 395
Joined: 19.07.11

This is P. dorsata, not P. griseola or P. obtusa. Some characters in the key will not work for some individuals and in this case genitalia are still the best way for determination.
 
John Bratton
#7 Print Post
Posted on 04-02-2017 16:23
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Location: Menai Bridge, North Wales, UK
Posts: 654
Joined: 17.10.06

Thank you for the identification.
Best wishes
John
 
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Date and time
11 July 2025 04:18
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If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

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