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Diptera.info :: Identification queries :: Diptera (adults)
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Bibionid. Male?
John Bratton
#1 Print Post
Posted on 30-08-2017 09:53
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Location: Menai Bridge, North Wales, UK
Posts: 670
Joined: 17.10.06

This keys to male Bibio johannis using the Freeman & Lane RES Handbook. But the Handbook has an illustration of a male B. johannis and the terminalia don't look like the ones in my photo. But if my specimen is female, the hairs are the wrong colour. So, is this a male, please?
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John Bratton
#2 Print Post
Posted on 30-08-2017 09:53
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Location: Menai Bridge, North Wales, UK
Posts: 670
Joined: 17.10.06

Collected 1 April 2017, dune slack, Newborough Warren NNR, Wales.
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John Bratton
#3 Print Post
Posted on 30-08-2017 09:54
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Location: Menai Bridge, North Wales, UK
Posts: 670
Joined: 17.10.06

Ditto.
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Zeegers
#4 Print Post
Posted on 30-08-2017 11:17
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Location: Soest, NL
Posts: 19308
Joined: 21.07.04

Clearly a male ( females have very small eyes) and it looks ok for johannis.
The genitalia look wierd, did you distort them while retracting ?

Theo
 
John Bratton
#5 Print Post
Posted on 31-08-2017 11:58
Member

Location: Menai Bridge, North Wales, UK
Posts: 670
Joined: 17.10.06

Thanks for the confirmation. The fly was collected into 70% alcohol and this is how it was when it dried out. I didn't do any manipulation.

John
 
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