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Diptera.info » Identification queries » Diptera (adults)
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Rondania fasciata, male?
amaira
I thought it was the first Phasia for the year. But when I look at the picture I see it´s something else.
Rondania fasciata? (The male)
Near Stockholm, Sweden. May 16.
 
amaira
.
 
amaira
.
 
amaira
.
 
amaira
.
 
amaira
.
 
amaira
.
 
eklans
I think Rondania fasciata is correct:
length petiole approx. = post-angular vein
abdomen nearly undusted - tergites with yellow stripes basally
Greetings, Eric Kloeckner
 
amaira
Thankyou Eric! I think so too.
 
Zeegers
Rondania fasciata is much redder on tergites.

I am thinking Graphogaster brunnescens male.

Theo
 
amaira
I haven´t seen any of them irl, and I do not have the fly. And the pictures is bad.
Looking at pictures of Graphogaster, it does not look like it, I think. But I don´t know of course.
In real life it really looked like Phasia barbifrons/pusilla. Same size and completely black.

Graphogaster brunnescens can be found from end of June, this was in mid-may.
 
Zeegers
In any case, your first pic is obviously a mistake, simce it is a male Bibio. Maybe better to remove it ?

Theo
 
amaira
First picture shows the small fly to the left. Bibio as a comparison.
 
Zeegers
Ah, got the wrong fly, obviously !
 
Zeegers
This is a typical Rondania fasciata

https://www.naturbasen.dk/observation/1528769/rondania-fasciata

As you can see, much more orange.
That said, your fly has brownish spots on tergites which are surprisingly similar in shape.
So this could be a very dark Rondania fasciata ?


Theo
 
amaira
I think it really is more brownish om the sides of the abdomen, although it´s hard to see.
Sorry for the bad pictures, and thanks for the discussion and help.
 
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