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Diptera.info :: Family forums :: Syrphidae
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Could it be Eupeodes corollae?
lynkos
#1 Print Post
Posted on 08-11-2005 07:58
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Location: Rome, Italy
Posts: 466
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It's a great time for Syrphidae here, with just a few late flowers attracting the whole buzzing bunch. Could this one be Eupeodes corollae?

www.naturamediterraneo.com/Public/data2/lynkos/bCF7B05-C03-F.jpg_2005117193127_bCF7B05-C03-F.jpg

Thanks in advance, Sarah
 
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Gisela Merkel-Wallner
#2 Print Post
Posted on 08-11-2005 08:28
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Location: Germany, Bavaria, Oberpfalz
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Dear Sarah,

for me, your picture schows a kind of Chrysotoxum. I am not shure about the species, a spezialist will know that.

Gisela
 
lynkos
#3 Print Post
Posted on 08-11-2005 08:56
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Location: Rome, Italy
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Thanks Gisela, I'll do some research around that genus and see what I can come up with, Sarah
 
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Andre
#4 Print Post
Posted on 08-11-2005 13:06
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Location: Tilburg, the Netherlands
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Yes Sarah, Gisela is right. It is a Chrysotoxum. It's one of two very similar species, I will not tell you which. That's up to you to find out Smile

P.S.: look at the long antennae: Eupeodes never have that. It is a character for only a few syrphid genera, like Chrysotoxum. Also tipical for some Chrysotoxum-species is the darkened front-area of the wings, clearly shown in your picture. Two important things to immediately guess it's Chrysotoxum.
Edited by Andre on 08-11-2005 13:14
 
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lynkos
#5 Print Post
Posted on 08-11-2005 18:54
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Location: Rome, Italy
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Mmmmm so I've got to work for it! I've taken a browse through all the reference material available and the nearest I can find is Chrysotoxum fasciatum, but it doesn't completely convince me. Am I getting near? In any case, thanks so much for taking the trouble to describe the identifying characteristics. It is such a help and slowly I really AM learning! Sarah
 
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Andre
#6 Print Post
Posted on 08-11-2005 23:32
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You are away from the truth Smile
Try again!
 
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lynkos
#7 Print Post
Posted on 09-11-2005 08:31
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Location: Rome, Italy
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I think you're going to have to give me a hand Andre, my reference material is just not up to getting any nearer, Sad Sarah
 
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Andre
#8 Print Post
Posted on 10-11-2005 12:13
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Choose between Chrys. vernalis and Chrys. festivum Smile
 
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lynkos
#9 Print Post
Posted on 11-11-2005 06:52
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Location: Rome, Italy
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Thanks for having mercy on me Andre Wink. I'll try and find out some more about the two species and see if I can get any clues to which it might be. Sarah
 
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Gerard Pennards
#10 Print Post
Posted on 12-11-2005 22:51
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Location: Amersfoort
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Hai Guys,
I don't want to be a spoilsport, but I think this is neither Chrysotoxum vernale or C. festivum. The abdomen is to broad and it has a broad border as well. Also the first spots on tergite 2 are to broad. It looks more like a Chrysotoxum intermedium to me!
Greetings
Greetings,
Gerard Pennards
 
Andre
#11 Print Post
Posted on 13-11-2005 23:33
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You've got a point there Gerard! Quite right... Smile
My apologies to the dear lady in Rome!
 
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lynkos
#12 Print Post
Posted on 14-11-2005 21:09
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So is the consensus Chrysotoxum intermedium and if so, what would be the distinctive features? Wink Sarah
 
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Andre
#13 Print Post
Posted on 15-11-2005 15:26
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For now, we say intermedium.
Do you have a picture that shows the basis of the legs better?
 
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lynkos
#14 Print Post
Posted on 15-11-2005 17:16
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Location: Rome, Italy
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No, unfortunately I have only this one. They are not common here and this was the first (and last) one I've been able to photograph, and only fleetingly. Now winter is setting in fast so I think it's unlikely I'll be able to find it again. Might have to wait for next year Shock, Sarah
 
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Andre
#15 Print Post
Posted on 17-11-2005 11:26
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Intermedium is quite common on the Iberian peninsula.
Edited by Andre on 17-11-2005 11:28
 
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Gerard Pennards
#16 Print Post
Posted on 17-11-2005 11:39
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Andre, she is in Rome, Italy.
That is not the Iberian peninsula I think! Wink
Anyway, I think intermedium is also quite common in italy I think!
Greetings,

Greetings,
Gerard Pennards
 
Andre
#17 Print Post
Posted on 17-11-2005 11:41
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Oh, okay... have to wake up I believe... all this confusion Shock

What do you think Gerard: are vernalis and festivum relatively uncommon in Italy (Iberian.... hahaha)?
But serious....
Edited by Andre on 17-11-2005 11:43
 
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Gerard Pennards
#18 Print Post
Posted on 17-11-2005 12:31
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Well, C. festivum doesn't seem to occur in Italy according to bastiaan's website, so that would leave C. vernale. I think that species will be quite common. But there are some species in Italy that are rare in other parts of europe, and I don't know them all!
Greetings,
Greetings,
Gerard Pennards
 
lynkos
#19 Print Post
Posted on 17-11-2005 16:25
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Location: Rome, Italy
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There is an "official" Checklist of all Italian fauna available on the Internet which I use as my bible. It isn't, of course, foolproof, but it's pretty reliable. According to this checklist, we do actually have C. festivum in my part of Italy, and also C. vernale and C. intermedium, so I guess that leaves the field wide open!
Here's the full list of Chrysotoxum species:
Chrysotoxum arcuatum (Linn?, 1758)
Chrysotoxum bicinctum (Linn?, 1758)
Chrysotoxum cautum (Harris, 1776)
Chrysotoxum cisalpinum Rondani, 1845
Chrysotoxum elegans Loew, 1841
Chrysotoxum fasciolatum (De Geer, 1776)
Chrysotoxum festivum (Linn?, 1758)
Chrysotoxum impressum Becker, 1921
Chrysotoxum intermedium Meigen, 1822
Chrysotoxum octomaculatum Curtis, 1832
Chrysotoxum vernale Loew, 1841
Thanks to you all, Sarah
 
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Gerard Pennards
#20 Print Post
Posted on 17-11-2005 16:39
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Oh yes, that should be told to bastiaan, because on his website C. festivum doesn't occur in Italy! He should update soon! GrinGrin
But anyway Sarah, this isn't a question which species is depicted by your picture! It is quite sure to me this isn't C. festivum or C. vernale.
I'm quite sure this is another species, and the most likely candidate is Chrysotoxum intermedium!
I said there are some species in Italy I don't know, like cisalpinum and impressum, so maybe it is one of them. But from what I know, this should be Chrysotoxum intermedium!
Greetings
Greetings,
Gerard Pennards
 
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