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Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae ID?
tristram
#1 Print Post
Posted on 21-09-2011 19:11
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Location: Reading, UK
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In long grass in Reading, UK, on 2011-09-21.
tristram attached the following image:


[142.74Kb]
Edited by tristram on 21-09-2011 19:12
 
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tristram
#2 Print Post
Posted on 21-09-2011 19:12
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And from above:
tristram attached the following image:


[179.95Kb]
 
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ChrisR
#3 Print Post
Posted on 21-09-2011 20:38
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Linnaemya - possibly tessellans but would be nice to key it out and check for picta if you have a specimen Smile

L.picta has been spreading across the UK this year (Kent, Suffolk & Cambridgeshire) so it's not unrealistic to think that it might make the Thames Valley Smile
Edited by ChrisR on 21-09-2011 20:39
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Zeegers
#4 Print Post
Posted on 21-09-2011 20:39
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A Linnaemyia. Might very well be picta.


Theo
 
ChrisR
#5 Print Post
Posted on 21-09-2011 20:41
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@Theo: What might indicate picta from the above photos? Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Zeegers
#6 Print Post
Posted on 21-09-2011 20:48
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red tibia and yellow humerus.

But I'm not sure.

Now we mention it, the apical margin of tergite 5 definitely seems reddish int he last pic, which would confirm picta.

Olsufjevi and others have a less prominent projecting mouth margin

Theo
 
ChrisR
#7 Print Post
Posted on 21-09-2011 21:07
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Hmm, definitely needs a specimen then ... would be nice to know the exact locality and I could have a look - it must be close to me Smile If it is picta then it is a very exciting record Smile
Edited by ChrisR on 21-09-2011 21:08
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
tristram
#8 Print Post
Posted on 21-09-2011 21:25
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Thankyou Chris and Theo!
I don't have a specimen. I do have this rather blurry photo under a different lighting (for what its worth):
tristram attached the following image:


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sd
#9 Print Post
Posted on 21-09-2011 21:47
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Location: Suffolk, UK
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I've seen a lot of picta this year, though mostly males which are easier to id than this female, but it does look right to me - strong bristles on the lower cheeks. The males have reddish areas laterally on the abdomen--
http://www.dipter...d_id=35154

SteveSmile
 
ChrisR
#10 Print Post
Posted on 21-09-2011 23:37
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@tristram: Sadly photos won't help much because the features we need to see for a 100% confirmation are too small to show up. If you can PM me the locality then I might be able to have a look but if you can get a specimen then I would be *very* interested indeed - just catch one and I will sort out the pinning etc. Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Jaakko
#11 Print Post
Posted on 22-09-2011 20:14
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Looks like picta to me as well. Funny, last year tesselans was more common here in Friedberg, this year the opposite!
 
ChrisR
#12 Print Post
Posted on 22-09-2011 20:42
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Great news - Linnaemya picta has been romping across the country but a specimen from the Reading area would be a massive leap from previous regions Smile I'm hesitant to take the record from a photo but Tristram is going to have a go at catching one for me and I'm going to keep a good lookout in other areas Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
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