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Hi
In first happy new year to all dipterist ;)
I have only one picture of this Dasysyrphus.
I post in the french forum here http://www.insect...575#214575
We have some difficulties to say friuliensis or venustus.
Perhaps it is an other. What can you say ?
Thanks for help
edith
Near paris, april 22th

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Well, not friuliensis I think.
The spots would be more constricted in the middle. Although the antennae look a bit dark, I think that's the angle of the picture. So I think the antenna is more or less pale, although badly visible from this angle!
This is a male of venustus or hilaris, unfortunately the face is not visible.
Face with black longitudinal stripe: D. venustus.
Without: D, hilaris.
Greetings

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Thanks a lot Gerard.
A new syrphidae in my paradise

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Hello,

I think, it is Dasysyrphus friuliensis. The shape of the markings of the tergites are typical with their u-form. I have some specimen in my collection and they look alike.

Greetings
Gisela

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Well, Gisela,
Maybe you're right, but I'm still a bit weary.
The spots look too 'normal' (meaning not hooked enough and not narrow enough) to be friuliensis in my opinion.
They should look more like this picture I show here which comes from Van Veen's book!
greetings
Gerard

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I agree with Gerard... "If there's any doubt, it's n?t the one"... B) Keeping this in mind: the spots on the picture are simply not restricted enough to be friuliensis.