[Syrphidae] Re: Sympatry in Sphaerophoria

Mon Sep 14 09:13:21 BST 2020

Many thanks Roger!

Very interesting information. Somehow, each species has different
ecological requirements, but one can collect 2 or 3 species in the same
locality.

Regards,

Ximo

El dom., 13 sept. 2020 a las 20:13, Roger Morris (<syrphid58 at gmail.com>)
escribió:

> In the UK there is quite strong regional differentiation, with S.
> philantha and fatarum being strongly northern and western but also found in
> heathlands in southern England. S. potentillae is confined to Culm
> grassland in the SW. S. taeniata and S. batava are differentiated on
> habitat with S. taeniata more closely associated with grasslands and S.
> batava with ericaceous scrub. There are few records of S. virgata but this
> too seems to be a heathland species. There remains a question mark for S.
> interrupta but my feeling is that it is more a northern and western
> species. No idea for S. bankowski!
>
> Regards
>
> Roger
>
> On 13/09/2020 18:20, Menno Reemer wrote:
>
> In the Netherlands,  every Sphaerophoria species has its own habitat
> requirements, but some can be found in the same areas. For details, you
> could consult the species accounts in the book *De Nederlandse
> zweefvliegen*:
> https://www.bestuivers.nl/publicaties/de-nederlandse-zweefvliegen
> See chapter 10 pp. 311-318 for Sphaerophoria. These species accounts are
> based on the collective field experiences of many Dutch syrphidologists.*
> They all have English summaries!*
> Also see appendix 6, which arranges all the species according to the
> habitats in which they occur.
> Best wishes,
> Menno
>
>
>
> ------------------------------
> *From:* syrphidae-bounces at lists.nottingham.ac.uk
> <syrphidae-bounces at lists.nottingham.ac.uk>
> <syrphidae-bounces at lists.nottingham.ac.uk> on behalf of Robert Żóralski
> <robert at insects.pl> <robert at insects.pl>
> *Sent:* Sunday, September 13, 2020 4:21 PM
> *To:* ximo mengual sanchis <xmengual at gmail.com> <xmengual at gmail.com>
> *Cc:* Hoverfly discussion list <syrphidae at lists.nottingham.ac.uk>
> <syrphidae at lists.nottingham.ac.uk>
> *Subject:* [Syrphidae] Re: Sympatry in Sphaerophoria
>
> In Poland S. virgata is forest species, and rare. S. scripta is present on
> all possible types of meadows incl. ruderal areas, being sympatric with S.
> taeniata  and S. batava on e.g. forest glades and "good open areas",
> especially on coasts an along rivers - many times I gathered longer series
> of all three. S.philantha is extremely rare. S.interrupta is very rare.
>
> niedz., 13 wrz 2020, 08:12 użytkownik ximo mengual sanchis <
> xmengual at gmail.com> napisał:
>
> Dear all,
>
> I have a question regarding Sphaerophoria. Based on my field experience, I
> would say that usually more than one Sphaerophoria species occur in the
> same locality.
>
> I am interested on S. taeniata, virgata, scripta, interrupta and
> philantha. Can someone tell me if they are sympatric?
>
> I collected in the same place scripta and taeniata, for example. Is it the
> same for philantha and virgata? or taeniata and interrupta?
>
> Cheers,
>
> Ximo
>
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