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Diptera.info :: Identification queries :: Diptera (adults)
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Rondania fasciata, male?
amaira
#1 Print Post
Posted on 04-07-2022 13:18
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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.
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amaira
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Posted on 04-07-2022 13:19
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amaira
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Posted on 04-07-2022 13:19
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amaira
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Posted on 04-07-2022 13:20
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amaira
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Posted on 04-07-2022 13:20
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amaira
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Posted on 04-07-2022 13:21
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amaira
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Posted on 04-07-2022 13:22
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eklans
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Posted on 04-07-2022 18:47
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I think Rondania fasciata is correct:
length petiole approx. = post-angular vein
abdomen nearly undusted - tergites with yellow stripes basally
Greetings, Eric
 
amaira
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Posted on 04-07-2022 19:17
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Thankyou Eric! I think so too.
 
Zeegers
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Posted on 05-07-2022 21:23
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Rondania fasciata is much redder on tergites.

I am thinking Graphogaster brunnescens male.

Theo
 
amaira
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Posted on 06-07-2022 09:55
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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
#12 Print Post
Posted on 06-07-2022 19:54
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In any case, your first pic is obviously a mistake, simce it is a male Bibio. Maybe better to remove it ?

Theo
 
amaira
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Posted on 06-07-2022 20:10
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First picture shows the small fly to the left. Bibio as a comparison.
 
Zeegers
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Posted on 06-07-2022 21:34
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Ah, got the wrong fly, obviously !
 
Zeegers
#15 Print Post
Posted on 06-07-2022 21:42
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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
#16 Print Post
Posted on 07-07-2022 11:00
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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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