[Syrphidae] Suppress Philhelius in order to keep using Xanthogramma

[Jeroen van Steenis]

Dear Bastiaan

You address several problems.

Systema Dipterorum is not a scientific resource in the sense that it is an
official publication organ and not peer-reviewed. The status of names on
this website has no value for science. The names are not always officially
published and should not be used by GBIF or anyone else if there is no
publication stating the information on SD is correct.

The other thing is that "a useful scientific purpose" is arguable as there
are several aspects involved like nomenclature, stability, phylogeny etc.

The last problem is that, when a name has not been in use for over 100
years it can be disregarded and thus not used. In the case of Philhelius
the name was reintroduced by Evenhuis in 2018 with good arguments that it
concerns Xanthogramma.  This makes it very hard, if even possible to get
Philhelius suppressed.

It is best if you write to Neal or any other member of the ICZN to ask if
filing this case could be successful or not.

Good luck.

Best wishes,

Jeroen

Op di 5 mrt 2024 om 11:54 schreef Bastiaan Wakkie <bwakkie at syrphidae.com>:

> Dear all,
>
>
> Has someone (or is interested in) created an IUCN case to suppress
> Philhelius Stephens, 1841:201 in favour of Xanthogramma Schiner, 1860:215 ?
>
>
> Evenhuis 2018, created a new synonym for Xanthogramma based on his
> research on Daniel William Coquillett's work but mentions while creating
> the synonym that suppression may be warranted in case the synonym would be
> a threat to stability.
>
> In Dipterists Digest 2018 there is a personal comment of Martin Speight
> that "replacing the well-established generic name Xanthogramma by
> Philhelius Stephens serves no useful scientific purpose and simply
> introduces confusion"
>
>
> The confusion has arrived as GBIF which is using Systema Dipterorum as
> source, and any website using GBIF data are taking over the synonym.
>
>
> Time for action?
>
> I am willing to file the case but may need some help in formulating it
> correctly.
>
>
> Cheers,
>
> Bastiaan
>
>
> sources:
> Evenhuis, N. L. (2018). Nomenclatural studies toward a world list of
> Diptera genus-group names. Part VI: Daniel William Coquillett. Zootaxa,
> 4381(1), 1-95.
>
> EDITOR (2018). Corrections and changes to the Diptera Checklist (39).
> Dipterists Digest, series 2: 25 (1): 79–84.
>
> --
> ----
> Bastiaan Wakkiehttps://www.syrphidae.com
>
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