[Syrphidae] Chalcosyrphus fulviventris (Bigot)

Sun Feb 2 18:54:09 GMT 2020

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 <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>
CC: 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> >:

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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