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Diptera.info :: Family forums :: Syrphidae
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Diptera (adult) Melanostoma scalare
gbohne
#1 Print Post
Posted on 05-12-2017 09:50
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Location: FR-Germany, Kassel
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Central Germany, 180m asl., 21st May

I think it could be Anthomyzidae?

Thank you for your time!
-guido
gbohne attached the following image:


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Edited by gbohne on 07-01-2018 18:39
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johnes81
#2 Print Post
Posted on 05-12-2017 10:12
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Syrphidae - Melanostoma sp.
I think the green haltere are characteristic of this genus but I haven't met all of the syrphids yet. I think that Melanostoma is correct.
John and Nini. Naturalists not experts.
 
gbohne
#3 Print Post
Posted on 05-12-2017 10:51
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Location: FR-Germany, Kassel
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Wow... I've never thought of Syrphidae! Thank you very much indeed!
-guido
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Paul Beuk
#4 Print Post
Posted on 05-12-2017 11:30
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johnes81 wrote:
Syrphidae - Melanostoma sp.
I think the green haltere are characteristic of this genus but I haven't met all of the syrphids yet.
If you check the Gallery, you will notice that most have 'ordinairy' yellow halters. I have long suspected that the green halters are a first indication of infection with Entomopthora.
Paul

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gbohne
#5 Print Post
Posted on 05-12-2017 11:35
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That is interesting! As this female seems t be about oviposition, do you think the offspring is going to be affected by this fungi?
-guido
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johnes81
#6 Print Post
Posted on 05-12-2017 11:41
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Paul Beuk wrote:
If you check the Gallery, you will notice that most have 'ordinairy' yellow halters. I have long suspected that the green halters are a first indication of infection with Entomopthora.


very interesting, Paul. I actually have a specimen with green haltere but I have yet to examine it. I will look for spores or signs of infection. I didn't know that the haltere are normally yellow. I am very interested in this subject. Thank you for posting, Paul. Fantastic info here Smile
John and Nini. Naturalists not experts.
 
Juergen Peters
#7 Print Post
Posted on 05-12-2017 17:05
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Hello,

I read some time ago (unfortunately I don't know where anymore). that the halteres tend to become green on mature females when eggs are being developed.
Best regards,
Jürgen

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gbohne
#8 Print Post
Posted on 06-12-2017 20:18
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Thank you all very much for IDing. I enjoyed this fruitful discussion. I'll have an eye on green halteres oviposition and fungi-infestations. :-)

Best regards,
-guido
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Stephane Lebrun
#9 Print Post
Posted on 06-12-2017 21:40
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This is Melanostoma scalare.
Stephane.
 
johnes81
#10 Print Post
Posted on 07-12-2017 23:01
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Thanks for a species id, Stephane Smile
John and Nini. Naturalists not experts.
 
Robert Zoralski
#11 Print Post
Posted on 01-01-2018 19:58
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I've seen so green halteres of Melanostoma scalare only in case of two specimens catched toegether (in one place) in USA (Seattle region) very early spring. I thought it is geo-related. I see that from Europe for the first time.
 
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Juergen Peters
#12 Print Post
Posted on 02-01-2018 01:13
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Hello Robert,

Robert Zoralski wrote:
I've seen so green halteres of Melanostoma scalare only in case of two specimens catched toegether (in one place) in USA (Seattle region) very early spring. I thought it is geo-related. I see that from Europe for the first time.


here in northwest Germany I often saw/see M. scalare with green halteres over years now. In the beginning I thought it was a difference from M. mellinum.
Best regards,
Jürgen

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