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Diptera.info :: Identification queries :: Diptera (adults)
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male Rondania dispar from Valdelinares - Spain
jorgemotalmeida
#1 Print Post
Posted on 30-08-2009 23:17
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Location: Viseu - PORTUGAL
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 Spotted this beauty at more 1600 m.
It was in the highest point in Valdelinares...

Which this 3 mm phasiin could be?

thanks!
jorgemotalmeida attached the following image:


[193.43Kb]
Edited by jorgemotalmeida on 05-09-2009 15:52
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#2 Print Post
Posted on 30-08-2009 23:22
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 another...
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jorgemotalmeida
#3 Print Post
Posted on 30-08-2009 23:25
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 another...
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jorgemotalmeida
#4 Print Post
Posted on 30-08-2009 23:30
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 another...
bad photo. out of of focus.
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jorgemotalmeida
#5 Print Post
Posted on 30-08-2009 23:37
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 another...
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Edited by jorgemotalmeida on 30-08-2009 23:38
 
http://www.flickr.com/photos/superegnum
neprisikiski
#6 Print Post
Posted on 31-08-2009 11:19
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 Rondania dispar, I think
Edited by neprisikiski on 31-08-2009 11:24
Erikas
 
jorgemotalmeida
#7 Print Post
Posted on 31-08-2009 11:45
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 that would make this as a male of Rondania dispar...
 
http://www.flickr.com/photos/superegnum
Zeegers
#8 Print Post
Posted on 31-08-2009 20:14
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 The abdominal pattern and length of stalk suggest to me a male of Graphogaster. Moreover, i think i see a hairlike third IA'bristle'.

Jorge can easily check this hypothesis:

prosternum hairy -> Graphogaster
prosternum bare -> Rondania
 
jorgemotalmeida
#9 Print Post
Posted on 31-08-2009 20:50
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 I used a small hand loupe and it seems bare the prosternum. I will try to take photos in this zone.
 
http://www.flickr.com/photos/superegnum
ChrisR
#10 Print Post
Posted on 31-08-2009 20:56
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 Hmm, check very carefully ... it is very hard to see Pfft
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
jorgemotalmeida
#11 Print Post
Posted on 31-08-2009 20:59
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 what is the approximate size of those hairs??
 
http://www.flickr.com/photos/superegnum
ChrisR
#12 Print Post
Posted on 31-08-2009 21:40
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 Incredibly small - very tiny black hairs, often around the edge and can be just 1 hair Smile and you are looking at the smallest piece of chitin between and infront of the front legs in the centre - almost under the 'chin'. 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
jorgemotalmeida
#13 Print Post
Posted on 31-08-2009 21:41
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 i know where is it. But my doubt resides only in the lenght of the possible hairs. Wink ok.. I must seek carefully for any very small ~"hair".
 
http://www.flickr.com/photos/superegnum
ChrisR
#14 Print Post
Posted on 31-08-2009 22:44
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 Yeah, they can be very small but should be clearly visible at about 40x magnification. 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
jorgemotalmeida
#15 Print Post
Posted on 01-09-2009 01:47
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 Not clearly to see... really 40x magnification is needed.
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neprisikiski
#16 Print Post
Posted on 01-09-2009 13:21
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 It seems, that my hypothesis was better Grin
Erikas
 
jorgemotalmeida
#17 Print Post
Posted on 01-09-2009 16:41
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 I will confirm this week the ID. I will have access to a stereomicroscope.. so I can see better the prosternum. Smile
 
http://www.flickr.com/photos/superegnum
Zeegers
#18 Print Post
Posted on 02-09-2009 07:54
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 HOw long is the stalk in the wing anyway ?
I just noticed we actually can't see on the pics.


Theo
 
jorgemotalmeida
#19 Print Post
Posted on 02-09-2009 10:12
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 here a photo of the wings with m vein stalked...
jorgemotalmeida attached the following image:


[184.15Kb]
Edited by jorgemotalmeida on 02-09-2009 10:13
 
http://www.flickr.com/photos/superegnum
Zeegers
#20 Print Post
Posted on 02-09-2009 19:03
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 OK, not as long as I suspected. Erikas might be right.

Still, hairs on prosternum are decisive.

These are very long and obvious in Graphogaster

Theo
 
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