[Syrphidae] Re: Syrphids as invasive species
cyrille.dussaix at orange.fr
Tue Jan 6 18:00:43 GMT 2015
Especially the pictures of 5485943, 5485944 (perhaps ?), 5485945,
5485946 are not syrphid larvae but Cecidomyiidae...
Happy New Year.
Le 06/01/2015 17:28, Francis Gilbert a écrit :
> The list doesn't look like a list of invasives, but of a random set of
> pictures including a lot of invasives.
> Surely most invasive species have colonised because of humans, whether
> deliberate or not, so the distinction does not seem to be a useful
> one. The key point is that most colonisations fail, however they occur
> in the forst place: it is the successful ones that become 'invasives'
> and the reasons for that success are interesting and worth studying.
> *From:*syrphidae-bounces at lists.nottingham.ac.uk
> [mailto:syrphidae-bounces at lists.nottingham.ac.uk] *On Behalf Of *ximo
> mengual sanchis
> *Sent:* 06 January 2015 16:20
> *To:* Hoverfly discussion list
> *Subject:* [Syrphidae] Syrphids as invasive species
> Dear all,
> I would like to continue with the discussion on introduced species,
> and if some of them may be considered 'invasive'.
> In the webpage invasive.org <http://invasive.org>, dealing with
> invasive species for USA, there is a list of syrphids:
> I have a special interest in /Simosyrphus grandicornis/, which has
> been introduced to a number of Polynesian Islands and Hawaii. So, if
> this species has been introduced by humans, why now consider it as
> Does anyone have more information about the introduction of /S.
> grandicornis/ or its invasiveness?
> Thanks for the helpful comments.
> Best wishes,
> Dr. Ximo Mengual
> Head of the Diptera Section
> Stiftung Zoologisches Forschungsmuseum Alexander Koenig
> Leibniz-Institut für Biodiversität der Tiere
> Adenauerallee 160
> D-53113 Bonn, Germany
> Phone: 0049 (0)228 9122 292
> ZFMK web <https://www.zfmk.de/en/zfmk/ximo-mengual>
> https://www.bolgermany.de/ | http://syrphidae.lifedesks.org/
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