[Syrphidae] Re: Chalcosyrphus fulviventris (Bigot)

[w.v.steenis at casema.nl]

Thanks Lukasz,

 

This is an interesting picture. The Aat specimen I have here is totally black. The specimen in the picture has partly red sternites. 

I become more convinced it is a different species. Besides the colour difference I see obvious difference in pollinosity on the tergites (very little in C. piger, almost 50% of T2 and 30% of T3 in ‘fulviventris’). Better study might reveal other differences, I only have one female fulviventris and 3 (mostly old) females of C. piger.

 

Best wishes,

 

Wouter

 

Van: syrphidae-bounces at lists.nottingham.ac.uk <syrphidae-bounces at lists.nottingham.ac.uk> Namens Lukasz Mielczarek
Verzonden: maandag 3 februari 2020 08:32
Aan: Bastiaan <bwakkie at syrphidae.com>
CC: Hoverfly discussion list <syrphidae at lists.nottingham.ac.uk>
Onderwerp: [Syrphidae] Re: Chalcosyrphus fulviventris (Bigot)

 

Hi Bastian,

 

You can see observation of this Chalcosyrphus on Diptera.info.

https://diptera.info/forum/viewthread.php?forum_id=7 <https://diptera.info/forum/viewthread.php?forum_id=7&thread_id=63044> &thread_id=63044

I known one old specimen from Corsica in Polish colection.

 

Regards,

Lukasz

 

pon., 3 lut 2020, 00:02 użytkownik Bastiaan <bwakkie at syrphidae.com <mailto:bwakkie at syrphidae.com> > napisał:

Hi Wouter,

In Systema Dipterorum it is stated as valid, see image.


regards,
Bastiaan


On Sun, 2020-02-02 at 19:54 +0100, w.v.steenis at casema.nl <mailto:w.v.steenis at casema.nl>  wrote:
> Dear all,
> 
>  
> 
> Aat Barendregt collected some specimens of Chalcosyrphus in Corsica (France). It is a
> Chalcosyrphus with totally black abdomen. In Seguy (1961) you easily run to Chalcosyrphus
> fulviventris, a presumed endemic of Corsica. In Peck (1988) this is a synonym of Chalcosyrphus
> piger. We cannot find any publication that explains this synonymy. Hippa (1978) does not refer to
> fulviventris at all.
> 
> If you have an idea where to look for the formal synonymy, please let us know.
> 
>  
> 
> Best wishes,
> 
>  
> 
> Wouter van Steenis
> 
>  
> 
> Van: syrphidae-bounces at lists.nottingham.ac.uk <mailto:syrphidae-bounces at lists.nottingham.ac.uk>  <syrphidae-bounces at lists.nottingham.ac.uk <mailto:syrphidae-bounces at lists.nottingham.ac.uk> > Namens
> Jeroen van Steenis
> Verzonden: donderdag 30 januari 2020 18:43
> Aan: Gerard Pennards <gerard_pennards at hotmail.com <mailto:gerard_pennards at hotmail.com> >
> CC: syrphidae at lists.nottingham.ac.uk <mailto:syrphidae at lists.nottingham.ac.uk> 
> Onderwerp: [Syrphidae] Re: Identification query
> 
>  
> 
> Dear Gerard
> 
>  
> 
> They must be Brachypalpus and closest is chrysites or zugmayeriae. The metafemur is too slender
> for chrysites and the pile is too orange. I do not know the other one.
> 
> I am sure it is not the female of the undescribed species from Serbia. would be nice to get hold
> of males too.
> 
>  
> 
> There is a picture of the male of zugmayeriae in Mutin & Ichige 2018.
> 
>  
> 
> Best wishes,
> 
>  
> 
> Jeroen
> 
>  
> 
>  
> 
> Op do 30 jan. 2020 om 14:28 schreef Gerard Pennards <gerard_pennards at hotmail.com <mailto:gerard_pennards at hotmail.com>  <mailto:
> gerard_pennards at hotmail.com <mailto:gerard_pennards at hotmail.com> > >:
> 
> Dear all,
> 
> I have a identification query for you and I hope someone can help me.
> 
> I have added two links, one from a biodiversity website in Georgia, and the other from a Russian
> Macro photos website.
> 
> Both pictures come from the Northern Caucasus, one picture from Northern Georgia which is called
> Cheilosia illustrate but it's clearly not. See link: 
> http://biodiversity-georgia.net/index.php?taxon=Cheilosia%20illustrata
> 
> The other one is from a Russian photo website and was not identified. It is the same species as
> the Georgian one I think, but it's a strange species. See link:  
> http://macroclub.ru/gallery/showphoto.php/photo/238361/cat/512
> 
> My idea is that it should be the female of Brachypalpus chrysites, but it doesn't look like the
> normal yellow haired form. Also there seem to be some differences in pilosity, and other features.
> 
> Has someone encountered these before? I have asked some people who had been in Georgia, but a
> species like this was not seen.
> 
> Thanks in advance, greetings,
> 
> Gerard
> 
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