[Syrphidae] Re: Sympatry in Sphaerophoria

Tue Sep 15 09:15:29 BST 2020

Hello!

In Röder 1990 it says (not quoting here) that although hoverflies are very
mobile, they prefer staying near their larval habitat. I can imagine that
goes more for small than for large species.

I mainly find S. interrupta together with S. scripta, but found S.
shirchan, or S. taeniata in habitats where S. scripta also flew.

Stefan

Am Mo., 14. Sept. 2020 um 12:33 Uhr schrieb ximo mengual sanchis <
xmengual at gmail.com>:

> Thanks Jeroen.
>
> This is enough to make my mind about sympatry of Sphaerophoria species.
>
> Roger, you may be right saying that the ecological separation may be at
> the micro-scale. Jens-Hermann also suggested that and our knowledge gap
> about what is relevant to the Sphaerophoria larvae (we are always talking
> about adults here).
>
> Thank you all for your comments and sharing your knowledge. HIghly
> appreciated.
>
> Ximo
>
>
>
> El lun., 14 sept. 2020 a las 10:48, Jeroen van Steenis (<
> j.van.steenis at xmsnet.nl>) escribió:
>
>> Dear Ximo
>>
>> In Sweden the species are often sympatric with up to 5 species flying
>> together at the same day in one place.
>> I can give you a brief overview of the species found together if you
>> like. I think all species fly with other species, except possibly S. loewi.
>> I have abbreviata, bankowskae, batava, chongjini, fatarum, laurae,
>> ruepelli, interrupta, philanthus, taeniata, virgata and scripta all flying
>> together with several other species, but none of them with all others.
>>
>> Best wishes,
>>
>> Jeroen
>>
>> Op ma 14 sep. 2020 om 10:13 schreef ximo mengual sanchis <
>> xmengual at gmail.com>:
>>
>>> 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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