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Diptera.info :: Identification queries :: Diptera (adults)
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Syrphidae - Ceriana vespiformis
jorgemotalmeida
#1 Print Post
Posted on 25-08-2007 23:50
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Location: Viseu - PORTUGAL
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Hi

* locality - Silgueiros - Viseu - PORTUGAL
* date - 2007.08.24
* size - 6 mm (medium fly)
* habitat - open land
* substrate - on Mentha sp. flower

Is this fly a male?

This Conops seems to have much fewer yellow comparing with the Conops flavipes. And it has wings with spots..
The transition between the head and thorax is unusual. awkward



EDIT----> Title changed from "Another (strange) Conopidae - Conops ??" to "Syrphidae - Ceriana conopsoides" and then to "Syrphidae - Ceriana vespiformis"
jorgemotalmeida attached the following image:


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Edited by jorgemotalmeida on 26-08-2007 10:51
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#2 Print Post
Posted on 25-08-2007 23:53
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this must be a new conops!
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jorgemotalmeida
#3 Print Post
Posted on 25-08-2007 23:58
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another view..
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jorgemotalmeida
#4 Print Post
Posted on 26-08-2007 00:01
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another view...
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jorgemotalmeida
#5 Print Post
Posted on 26-08-2007 00:09
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not good.. (blurry)
but the head is very similar to Chrysotoxum intermedium (Syrphidae)! Frown

See a photo taken by myself here for compare the two :
http://www.flickr...402&size=l

>> Chrysotoxum intermedium in the first photo
>> Conops ?? in the second photo

farm1.static.flickr.com/100/286860402_44589228d3.jpg
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Zeegers
#6 Print Post
Posted on 26-08-2007 08:31
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Congratulations, Jorge, you fell into a familiar pitfall

It's Ceriana conopsoides (or another Ceriana) in the family Syrphidae.

There is a reason why it's called conopsoides !!

Look at the antennae, they are implanted on a bizarre conical projection of the forehead. Unique.


Theo
 
jorgemotalmeida
#7 Print Post
Posted on 26-08-2007 09:29
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oh... no. great mimics with Conopidae! Really I thought this was strange for conopid... awkward

It seems that this is rare.. Smile
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#8 Print Post
Posted on 26-08-2007 09:34
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I was blind because I didn't take a look to wing venation!!! Frown Typical wing venation for Syrphidae!! This is the best mimics between 2 families (Syrphidae <> Conopidae) I've seen so far.


Really the names fits very well: conopsoides -- similiar to Conops. awkward

Thanks, Theo! More one for the gallery. Smile
Edited by jorgemotalmeida on 26-08-2007 09:37
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#9 Print Post
Posted on 26-08-2007 09:37
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John Smit found one as well. Smile
it seems that Syrphidae gallery grew up very fast!
 
http://www.flickr.com/photos/superegnum
Alvesgaspar
#10 Print Post
Posted on 26-08-2007 10:08
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I agree it is Ceriana conopsoides. I took some photos of another one in Lisbon, Portugal.

Joaquim Gaspar
Lisbon
 
Stephane Lebrun
#11 Print Post
Posted on 26-08-2007 10:16
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Hello,
I agree with Ceriana, but no with conopsoides. Entirely yellow scutellum and mostly yellow femora indicate Ceriana vespiformis.

Greetings.
Stephane.
 
Zeegers
#12 Print Post
Posted on 26-08-2007 10:40
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HI Stephane,

You are most probably right. I had a disclaimer formulated on the species level, to lazy to get to my books.
The colouration on the scutellum is crucial, yellow either bicolor, but I can't remember it by heart.

Theo
 
Zeegers
#13 Print Post
Posted on 26-08-2007 10:43
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I just checked the gallery, Stephane is completely right:

This is a male C. vespiformis.

Most common species on the Iberian peninsula.


Theo
 
jorgemotalmeida
#14 Print Post
Posted on 26-08-2007 10:51
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Thanks to all. Really this fly cheated me!
 
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