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Diptera.info :: Family forums :: Syrphidae
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Chrysotoxum sp.
Alexandru Pintilioaie
#1 Print Post
Posted on 25-08-2014 18:03
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Location: Romania
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This specimen was photographed today in Romania, it is C. bicinctum or there is some more similar species like this one ?

imagizer.imageshack.us/v2/673x643q90/539/IXW6Z5.jpg
 
ValerioW
#2 Print Post
Posted on 25-08-2014 18:13
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Location: Padova - Italy
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Right ID! No dubt! TumbsUp
 
Alexandru Pintilioaie
#3 Print Post
Posted on 25-08-2014 18:18
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Location: Romania
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Many thanks !Smile
 
ValerioW
#4 Print Post
Posted on 25-08-2014 18:23
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Sorry, forgot to say: FEMALE Smile
 
Alexandru Pintilioaie
#5 Print Post
Posted on 25-08-2014 18:29
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Location: Romania
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Thanks....but tell me please, what's the difference between male and female (I mean in general in flies) ?
 
ValerioW
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Posted on 25-08-2014 18:36
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I'm sorry to say that there's no general single rule. In many cases, with higher Brachycera, like Chrysotoxum, dicoptic eyes (i.e. clearly separated eyes) are feminine, while holoptic or near so eyes (i.e. eyes touching together) are masculine. But as I told, this happens with many but not all. For some taxa like mosquitoes and robberflies for example, genitalia are quite useful for differentiate females and males..
 
Alexandru Pintilioaie
#7 Print Post
Posted on 25-08-2014 19:01
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Ok, it is enought for me, many thanks for your help ! Grin
 
ValerioW
#8 Print Post
Posted on 25-08-2014 19:27
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alexaandru wrote:
Ok, it is enought for me, many thanks for your help ! Grin



TumbsUp Ok! Feel welcome!
 
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