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Diptera.info :: Identification queries :: Diptera (adults)
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Muscidae: Coenosiinae: Coenosia tigrina ?
skrylten
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Posted on 01-08-2017 13:48
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2017-07-31, Sweden Skåne Degeberga, 6-7 mm
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skrylten
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dorsal
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skrylten
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Posted on 01-08-2017 13:49
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head
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skrylten
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Posted on 01-08-2017 13:49
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wing
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skrylten
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Posted on 01-08-2017 13:50
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left front tibia
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Edited by skrylten on 01-08-2017 13:51
 
skrylten
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left mid tibia
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skrylten
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left hind tibia
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oceanlis2000
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Posted on 08-08-2017 13:21
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Hello

Arista and hairing wider than the postpedicel in the basal ½ - tigrina, or at least as wide as

if you can get a close up in side view to see if the longest hair of the arista is => than the width of the postpedicel I would agree with tigrina
Dr Elisabeth A. Harris
@FloraConsUK
 
skrylten
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Posted on 21-08-2017 11:46
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Thanks for your interest Elisabeth and sorry for a late reply.
Here is a better image of the antenna but I am not sure if it confirms C. tigrina or not Frown

/Leif K
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oceanlis2000
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Posted on 25-08-2017 12:40
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Hi

For me its inconclusive..
What we need is someone who has access to C. tigrina, humilis male and female with side on shots to see the difference and possibly variation of the length of the aristal hairs in relation to the width of the postpedicel !

Dr Elisabeth A. Harris
@FloraConsUK
 
John Carr
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Posted on 25-08-2017 12:57
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oceanlis2000 wrote:
Hi

For me its inconclusive..
What we need is someone who has access to C. tigrina, humilis male and female with side on shots to see the difference and possibly variation of the length of the aristal hairs in relation to the width of the postpedicel !


I think the species you mention can be separated by leg color.
 
http://www.flickr.com/photos/31715949@N00
skrylten
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Posted on 25-08-2017 16:46
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I found a Spanish key for the "tigrina group" with both C. tigrina and C. humilis here http://www.phytom...-en-espaa#

I´m struggling with the Spanish but it doesnt seem to key out at tigrina or humilis Frown

Br

Leif K
 
oceanlis2000
#13 Print Post
Posted on 05-09-2017 13:35
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Hello

Leg colours suggests tigrina but length of arista not conclusive, this may be neither humilis or tigrina, I only have info for the British species, never-the-less a paper showing the variatuion in the length of the aristal hairs and leg colour for this group would be useful. I can't go any further.
Dr Elisabeth A. Harris
@FloraConsUK
 
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