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Diptera.info :: Identification queries :: Diptera (adults)
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Tachina grossa
brigitteu
#1 Print Post
Posted on 07-01-2011 20:26
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Location: Switzerland
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hi

to give some pics in gallery (Tachina grossa don't have a lot) I would like sure that this is Tachina grossa.
Could anybody confirm please?

Switzerland, 04.08.2010, 965 msm, highmoor

Thanks a lot, Brigitte
brigitteu attached the following image:


[39.77Kb]
 
brigitteu
#2 Print Post
Posted on 07-01-2011 20:26
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2
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[25.86Kb]
 
ChrisR
#3 Print Post
Posted on 07-01-2011 20:36
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Certainly looks good to me 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
brigitteu
#4 Print Post
Posted on 07-01-2011 21:59
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Hi Chris

Can you see if it's a male or female? Does a pic from the backside helps (if needed)?
Thanks, Brigitte
 
ChrisR
#5 Print Post
Posted on 07-01-2011 22:34
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I don't see very many of them but I would say (from the length of the tarsal claws) that it is a male 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
brigitteu
#6 Print Post
Posted on 07-01-2011 22:44
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Thanks Chris!
does this pic help?
Brigitte
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brigitteu
#7 Print Post
Posted on 07-01-2011 22:51
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This is another one, same day, same place. Is this one male oder female?
Brigitte
brigitteu attached the following image:


[62.01Kb]
Edited by brigitteu on 07-01-2011 22:51
 
ChrisR
#8 Print Post
Posted on 07-01-2011 22:51
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It just makes it look even more male than before Wink
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
brigitteu
#9 Print Post
Posted on 07-01-2011 22:54
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Thanks!

Last pic is another animal. Male too?
 
ChrisR
#10 Print Post
Posted on 07-01-2011 22:55
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The second looks male too - long tarsal claws - but I might be wrong 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
brigitteu
#11 Print Post
Posted on 07-01-2011 22:57
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Thanks a lot Chris Smile
 
ChrisR
#12 Print Post
Posted on 07-01-2011 23:00
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I've checked mine here and males do have longer tarsal claws than the females so I am probably OK on those determinations 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
brigitteu
#13 Print Post
Posted on 07-01-2011 23:05
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so I can use "male" for gallery?


all pics which are already shown in gallery are without "male/female" . . .
I'm just searching my pics from 2009, there it must have T.grossa too . . .
no result, very old fly 2009 . . .
Edited by brigitteu on 07-01-2011 23:13
 
ChrisR
#14 Print Post
Posted on 07-01-2011 23:20
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Hmm, I think it is fair to call it male ... unless Theo says otherwise Grin
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
#15 Print Post
Posted on 08-01-2011 11:43
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it is a male.


you can see the large genitalia, though out of focus, and proclinate orbitals are lacking.

Vertex is pretty broad, though.

Theo
 
hedy2411
#16 Print Post
Posted on 08-01-2011 19:47
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I'm just the new-comer with a shortage of knowledge, but what I think that picture 2 (the frontal close-up) is from a different lady fly to see to the shape of the eye. Espacially if you compare 1 and 2 together you may see that the eyes of 1 are more oval which is the male, compared to the black like under the antennas and no dark line in the middele of the head.
Could it be possible that you had two flies...?

Regards,
Hedy
 
Zeegers
#17 Print Post
Posted on 09-01-2011 18:12
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I'm afraid you are misled by the different angle of view.
Since the proclinate orbital setae are lacking, the second picture cannot be female.


Theo
 
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