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Diptera.info :: Identification queries :: Diptera (adults)
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Another strange neotropical tachinid
ChrisR
#1 Print Post
Posted on 30-05-2007 22:31
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This is an odd one from French Guyana. Size about 10mm in the body, plumose arista and looks to all the world like a brown callaphorid ... but it has a subscutellum. I'm not even sure it is a tachinid but with that subscutellum I can't think what else it could be.
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http://tachinidae.org.uk
ChrisR
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Posted on 30-05-2007 22:31
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face...
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http://tachinidae.org.uk
ChrisR
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Posted on 30-05-2007 22:33
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subscutellum...
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http://tachinidae.org.uk
jorgemotalmeida
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Posted on 30-05-2007 22:54
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according Oosterbroek in page 98 and 102 calliphoridae can have subscutellum??? Genus: Morinia, Melanomya and Angioneura... so beware. Grin
 
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ChrisR
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Posted on 30-05-2007 23:02
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Begs the question - if hypopleural bristles and a full subscutellum isn't enough to make a tachinid - then what *does* make a tachinid? Smile
 
http://tachinidae.org.uk
jorgemotalmeida
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Posted on 30-05-2007 23:10
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in that case, the things are much different. Smile

I was reading with more care and they say that subscutellum of calliphorid is flat and not swollen.
 
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ChrisR
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Posted on 30-05-2007 23:25
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ahhhhhh, makes better sense Wink
 
http://tachinidae.org.uk
Zeegers
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Posted on 31-05-2007 07:36
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As far as I know, hypopleural bristles + swollen postscutellum imply Tachinidae or Oestridae.
So, Tachinidae in this case.
Beware, however, that the reverse is not true (some Tachinidae have a flat postscutellum)


Theo
 
ChrisR
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Posted on 31-05-2007 08:54
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That's my understanding too then, I am glad I was right Smile It's just genera like Lithophasia that make it all hard for us! Wink

This particular individual is just quite interesting because it looks so much like a brown callaphorid and the plumose arista is interesting because that's a feature we in Europe associate with dexiines but this look very different from any dexiine I have ever seen, so I am guessing it is part of a subfamily that we don't get here. Smile
 
http://tachinidae.org.uk
Zeegers
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Posted on 31-05-2007 18:24
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Well, it's so different from Dexia, in my opinion.
Forget about the colours and look at the morphology.
Colours don't matter, at this level


Theo
 
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