DPLEX-L digest 1960

[Chris J. Durden]

At 12:14 AM 8/13/2001 -0500, you wrote:

>Date: Sat, 11 Aug 2001 19:24:27 GMT
>From: monlist at nwjones.demon.co.uk (Neil Jones)
>To: dplex-l at raven.cc.ku.edu
>Subject: Re: swallowtail cats
>Message-ID: <81532 at nwjones.demon.co.uk>

Neil,
    Although this is not relevant to the Monarch (as far as we know), your 
comment on the Orange Tip may be of interest to many. Was the study that 
found differential survival of two possible strains on different larval 
foodplants, published?
    If these in fact are different races with different larval foodplant 
preferences, do we have here a case of sympatric subspecies (ecotypes), a 
pair of subspecies of different ranges that overlap in the area where they 
meet, or two distinct species? Has anyone investigated these possibilities? 
Is there chromosome or DNA dimorphism across the range of the Orange Tip?
................Chris Durden

. . . .
>  The British Orange Tip lays on 2 different
>plants (usually). A study has shown that  the larval survival rate is
>different if you take the eggs and swap the foodplant. There are perhaps
>two subtle races which obviously do interbreed but do not do so well
>on the other's food.
>
>--
>Neil Jones- Neil at nwjones.demon.co.uk http://www.nwjones.demon.co.uk/
>"At some point I had to stand up and be counted. Who speaks for the
>butterflies?" Andrew Lees - The quotation on his memorial at Crymlyn Bog
>National Nature Reserve



 
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