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Diptera.info :: Identification queries :: Diptera (adults)
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Brachycoma devia
crex
#1 Print Post
Posted on 06-06-2006 19:27
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From today, just north of Stockholm, Sweden. Can you tell which species this is? Thanx.

Edit: Changed subject (Unknown diptera)
Edit: Changed subject (Sarcophagidae sp)
crex attached the following image:


[89.06Kb]
Edited by crex on 07-06-2006 22:03
 
crex
#2 Print Post
Posted on 06-06-2006 19:27
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Another view of the same individual.
crex attached the following image:


[81.14Kb]
 
crex
#3 Print Post
Posted on 06-06-2006 19:28
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Yet another view of the same individual.
crex attached the following image:


[63.79Kb]
 
Nikita Vikhrev
#4 Print Post
Posted on 06-06-2006 20:00
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I'm afraid species level is impossible:
Sarcophagidae, Sarcophaginae - that is all.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
crex
#5 Print Post
Posted on 06-06-2006 22:43
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Nikita Vikhrev wrote:
I'm afraid species level is impossible:
Sarcophagidae, Sarcophaginae - that is all.
Nikita


Ok, thank you. I wonder what would make it recognisable?
 
Nikita Vikhrev
#6 Print Post
Posted on 06-06-2006 22:50
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Ok, thank you. I wonder what would make it recognisable?

Micropreparation and inverstigation of male genitalia.
In case of female - rearing eggs, ID male (see above) and than you will get famale of known species.
Wink
Nikita Vikhrev - Zool Museum of Moscow University
 
crex
#7 Print Post
Posted on 06-06-2006 23:03
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Nikita Vikhrev wrote:
Micropreparation and inverstigation of male genitalia.
In case of female - rearing eggs, ID male (see above) and than you will get famale of known species.
Wink


Ohh, I see. Pretty useless taking photos of these flies then ...
 
Paul Beuk
#8 Print Post
Posted on 07-06-2006 07:10
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crex wrote:
Ohh, I see. Pretty useless taking photos of these flies then ...


Not quite. You might catch some nice feature of the family, you might get some very nice pictures and you might you pick that one species that does have that special something that makes it identifiable.
Also, it gives an impression on where the species can be found (at least if the pictures are under natural conditions), positions they take, etc. And youcan always try to catch it afterwards and get it identified. Grin
Paul

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Zeegers
#9 Print Post
Posted on 07-06-2006 08:21
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Not so negative. This case might be an exception.

The arista is ... bare ?? At least, it looks bare (could we get a closeup ?)
In that case it is not Sarcophagini, but Wohlfartiini.
In most cases... Brachycoma devia.
In which case the palpi should be dark, as in (most) Sarcophagini.

If the palpi are bright yellow, we are dealing with Eurychaeta ( = Helicobosca).

Hope this helps


Theo Zeegers
 
crex
#10 Print Post
Posted on 07-06-2006 10:05
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Zeegers wrote: ... arista is ... bare ?? ... palpi are bright yellow ...


Ok, thanks both. I'll check my photos when I get back home, but first I have to learn what arista and palpi are Smile
 
Paul Beuk
#11 Print Post
Posted on 07-06-2006 10:36
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See: arista and palpi. I will add images later. Smile
Paul

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crex
#12 Print Post
Posted on 07-06-2006 20:08
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Close-up of the head, view one.
crex attached the following image:


[103.43Kb]
 
crex
#13 Print Post
Posted on 07-06-2006 20:08
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Close-up of the head, view two.
crex attached the following image:


[86.06Kb]
 
crex
#14 Print Post
Posted on 07-06-2006 20:10
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The arista seems to be without hair even if it is hard to tell from this poor close-up.
crex attached the following image:


[23.14Kb]
 
Zeegers
#15 Print Post
Posted on 07-06-2006 21:10
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And the palpi are dark.

So Brachycoma devia it should be.

Parasite in nests of bumble-bees.


Theo
 
crex
#16 Print Post
Posted on 07-06-2006 22:04
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Nice, thanks again.
 
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