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The Society for the study of flies (Diptera)

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#1 2017-03-03 18:01:37

conopid
DF Members
Name: Nigel Jones
From: Shrewsbury
Registered: 2008-02-27
Posts: 595
Website

Spilogona

This male Spilogona (I hope!) is causing me problems and I cannot run it down to species. So firstly, does it look good for Spilogona?

Secondly, is it good for S. triangulifera? It sort of keys to this, but not satisfactorily.

Key features:
Black halteres;
No supplementary bristle, or at least I believe so (I am not 100% confident on this feature) - see image with arrow pointing to position where no supplementary is present;

3 DCs (NOT 4);
Eyes touching on frons:
Short plumose arista - see image.

Any suggestions anyone?

Collected during the DF field trip in July 2012 in Cairngorm area.


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Last edited by conopid (2017-03-03 18:05:37)


Nigel Jones
Shropshire

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#2 2017-03-05 14:04:04

Stephane Lebrun
Registered user
Name: Stephane Lebrun
From: Le Havre, FRANCE
Registered: 2008-04-05
Posts: 564

Re: Spilogona

I agree with Spilogona, but I can't see sufficiently well to go further. Spilogona is very difficult to ID from pictures.

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#3 2017-03-05 17:04:29

conopid
DF Members
Name: Nigel Jones
From: Shrewsbury
Registered: 2008-02-27
Posts: 595
Website

Re: Spilogona

Thanks Stephane, that's fine, I wasn't really expecting a species ID, but it's very helpful to know it is Spilogona.


Nigel Jones
Shropshire

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#4 2017-03-21 00:33:37

conopid
DF Members
Name: Nigel Jones
From: Shrewsbury
Registered: 2008-02-27
Posts: 595
Website

Re: Spilogona

In fact this is Thricops nigritellus (so I got this one badly wrong!). Thanks to Adrian Pont for determining this from the specimen.


Nigel Jones
Shropshire

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#5 2017-03-22 00:53:09

Stephane Lebrun
Registered user
Name: Stephane Lebrun
From: Le Havre, FRANCE
Registered: 2008-04-05
Posts: 564

Re: Spilogona

And so I ! Oops

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