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Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae - Frontina laeta
jorgemotalmeida
#1 Print Post
Posted on 25-08-2007 22:52
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Location: Viseu - PORTUGAL
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 Hi

* locality - Silgueiros - Viseu - PORTUGAL
* date - 2007.08.25
* size - 8 mm (medium fly)
* habitat - open land
* substrate - on ground


It looks 100% gold. Smile One of the most beautiful colours I saw on a fly.


EDIT----> Title changed from "Golden tachinid." to "Tachinidae - Frontina laeta"
jorgemotalmeida attached the following image:


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Edited by jorgemotalmeida on 26-08-2007 09:44
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#2 Print Post
Posted on 25-08-2007 22:57
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 another view...
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jorgemotalmeida
#3 Print Post
Posted on 25-08-2007 23:02
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 other view...
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http://www.flickr.com/photos/superegnum
jorgemotalmeida
#4 Print Post
Posted on 25-08-2007 23:06
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 another shot...
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crex
#5 Print Post
Posted on 25-08-2007 23:25
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 Goniini?
 
Zeegers
#6 Print Post
Posted on 26-08-2007 08:27
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 Yes.

Frontina laeta, parasitoid of Sphingidae.
late summer species (that figures)

Theo
 
jorgemotalmeida
#7 Print Post
Posted on 26-08-2007 09:43
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 It fits very well. I saw 3-4 Sphingidae around. I found Macroglossum stellatarum.
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#8 Print Post
Posted on 26-08-2007 09:46
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 Theo, the Frontina laeta that appears in gallery is not so golden.. are they variable in colour?
 
http://www.flickr.com/photos/superegnum
Zeegers
#9 Print Post
Posted on 26-08-2007 10:45
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 This is a female, in the gallery is a male.

That explains a lot.


Theo
 
jorgemotalmeida
#10 Print Post
Posted on 26-08-2007 10:47
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 Smile ah! yes! thanks. Smile
Is it just the colour that enable us to distinguish between male/femle of Frontina laeta? It is a good way and quick to split them! Smile
 
http://www.flickr.com/photos/superegnum
Zeegers
#11 Print Post
Posted on 26-08-2007 14:38
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 The length of antennae is even bigger i male.

Moreover, in nearly all cases in Tachinidae females have 2 additional pairs of proclinate frontal setae, which males don't.
Any specimen with elongated claws is bound to be male.


Theo
 
jorgemotalmeida
#12 Print Post
Posted on 26-08-2007 14:45
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 proclinate and setae -- i leave these terms for other members see what we are talking about. Smile
 
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