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Diptera.info :: Family forums :: Syrphidae
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Syrphidae----> Episyrphus balteatus?
Tlerdahl
#1 Print Post
Posted on 23-09-2017 20:18
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Photographed in Bergen,Norway today.

Is it possible to get an ID on this hoverfly? The thorax looks similar to Episyrphus balteatus, but the rest of the fly don´t look like any of the E. balteatus I ever seen before....

Truls Lerdahl
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Tlerdahl
#2 Print Post
Posted on 23-09-2017 20:18
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And here is the face....

Truls
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Juergen Peters
#3 Print Post
Posted on 24-09-2017 03:51
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Hello,

surely Episyrphus balteatus. Such coloured individuals can appear when it is too cold during development.
Best regards,
Jürgen

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Tlerdahl
#4 Print Post
Posted on 24-09-2017 16:26
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Thanks a lot for the answer, Jürgen. It has been colder here in Bergen than it has been for many, many years, so maby I find more of this dark E.balteatus.

Best regards
Truls
 
Paul Beuk
#5 Print Post
Posted on 26-09-2017 09:03
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It is a so-called intersex (frons width intermediate between male and female; no normally structured genitalia [eitehr male or female]), which usually are much darker than ordinary specimens.
Paul

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