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A Zerynthia conundrum
Posted: Thu May 17, 2018 11:40 am
by Chris Jackson
Hi All,
Today in the south of France I found two cats of more or less the same size on the same plant
Aristolochia pistolochia.
I know for certain that this is predominantly (if not only) a Spanish Festoon site. I have never seen a Southern Festoon flying here. Having said that, a few kilometers away there are (or have been) Southern Festoons.
Who do these cats, on the same plant, belong to ?
Photos taken today 17th May.
Z. rumina ?
Z. polyxena ?
Context
Thanks,
Chris
Re: A Zerynthia conundrum
Posted: Thu May 17, 2018 4:19 pm
by Padfield
The orange scoli with black tips would seem to indicate polyxena for the second one. A quick internet search suggests there are dark forms like this. Equally, the lack of dark tips on the first most naturally indicates rumina. I don't know if there are exceptions to this rule of thumb. Again, a quick internet picture search suggests there are exceptions, but the internet is not always a reliable source ...
Guy
Re: A Zerynthia conundrum
Posted: Thu May 17, 2018 10:07 pm
by David M
That's a very interesting conundrum, Chris. I asked you quite recently if there were sites where these two species fly together. Perhaps this is one of them? (although further investigation is obviously needed).
Re: A Zerynthia conundrum
Posted: Fri May 18, 2018 8:47 am
by Chris Jackson
Thanks Guy and David,
This is one of the places that burned down in August 2016 so it is amazing that Z. rumina is already back again. If the dark cat really is Z. polyxena this is doubly amazing because the nearest Z. polyxena colony is at least 7 km away and both species may now be flying together.
I shall have to keep an eye on this.
Thanks
Chris
Re: A Zerynthia conundrum
Posted: Fri May 18, 2018 2:07 pm
by Macky
Hi all,
I will be in the North of the Aragon region of Spain in a couple of weeks. Do you think it is possible I could see both Zerynthia species on my trip? Also, what kind of areas should I look for (I assume lower altitude in general)?
Best wishes,
Macky