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Diptera.info :: Identification queries :: Diptera (adults)
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Gymnosoma
johnes81
#1 Print Post
Posted on 12-08-2017 17:48
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Location: Berlin, Germany
Posts: 1978
Joined: 15.10.16

Thanks.
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John and Nini. Naturalists not experts.
 
Zeegers
#2 Print Post
Posted on 12-08-2017 17:54
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Location: Soest, NL
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Joined: 21.07.04

Very nice, but can we see the fly as well ? Especially the thorax and scutellum ?

Thanks

Theo
 
johnes81
#3 Print Post
Posted on 12-08-2017 18:06
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Location: Berlin, Germany
Posts: 1978
Joined: 15.10.16

anything for you Zeegers. just ask. You are invaluable to me. Thanks!
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John and Nini. Naturalists not experts.
 
Zeegers
#4 Print Post
Posted on 12-08-2017 18:19
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Location: Soest, NL
Posts: 18472
Joined: 21.07.04

Thnaks.
I'd say it is the male of rotundatum, but separating these from nudifrons is very tricky. Females are straightforward....

Theo
 
johnes81
#5 Print Post
Posted on 12-08-2017 19:05
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Location: Berlin, Germany
Posts: 1978
Joined: 15.10.16

I've sent a pm to you Theo.

Meantime, I remember all that you say about these. I think that I've read every thread here about Gymnosoma. Thus, I collected this one for id.

I'm not sure if you want specimens from Germany for dna study. But if I come across a strange Gymnosoma, then I will keep in 95% ethanol for you.

Thank You for the info. I will study this one carefully. I will try to find a nudifrons but they are not listed for Berlin. Maybe I will find a first record in the future.

also, I will drop the genitalia in koh tomorrow to clear them a bit better. Then I will make new photos with clove oil. Maybe I can maker nicer photos for reference.
Edited by johnes81 on 12-08-2017 19:07
John and Nini. Naturalists not experts.
 
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Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

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