List: NorWest Leps
Date: Sun, 26 Feb 2023 12:58:39 -0700
From: Norbert Kondla <nkondla...> Subject: Re: [NorWestLeps] [TILS] Colias eurytheme |
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I recall seeing multiple assertions in the literature about eurytheme and philodice frequently hybridizing. But what I have not found in the literature is evidence to back up such claims. One biologist that I chatted with years ago expressed his opinion that eurytheme and philodice are "semi-species" . My opinion goes the other way and so I believe that 'philodice' sensu most contemporary literature should be further split into different species.
On Sun, Feb 26, 2023 at 12:33=E2=80=AFPM Harry Pavulaan <harrypav...>= om> wrote:
> Norbert: > > Yes, even here in the northeast USA, I frequently find partially > orange/yellow individuals of eurytheme at any time of year. These occur = in > both spring and summer facies. Not hybrids by any definition. > > I think some recent study and also Leroy Koehn (who really needs to > publish) found that eurytheme and philodice do not readily cross-mate. > > Harry > > > > > On Feb 26, 2023 at 10:33 AM, Norbert Kondla <nkondla...> wrote: > > An iNat record prompted me to share an old but useful pocket camera pic > comparing eurytheme and philodice from southern British Columbia. From my > butterfly discussions with many people over the past 52 years I recall at > least one person who identified eurytheme specimens with reduced dorsal > orange as "hybrids". My experience with eurytheme in AB and BC is that > individuals with reduced orange can be found early, middle and late seaso= n. > Here is the old pic: > https://flic.kr/p/2oj4abj > Even in this old image and with an ordinary monitor I can see that the > dorsal yellow is different between the two species. > > -- > Norbert Kondla > Calgary, Alberta, Canada (elevation 1060 metres asl) > https://www.flickr.com/photos/118126948@N03/ > > >=20 > >
--=20 Norbert Kondla Calgary, Alberta, Canada (elevation 1060 metres asl) https://www.flickr.com/photos/118126948@N03/
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<div dir=3D"ltr">I recall seeing multiple assertions in the literature abou= t eurytheme and philodice frequently hybridizing. But what I have not found= in the literature is evidence to back up such claims. One biologist that I= chatted with years ago expressed his opinion that eurytheme and philodice = are "semi-species" . My opinion goes the other way and so I belie= ve that 'philodice' sensu most contemporary literature should be fu= rther split into different species.</div><br><div class=3D"gmail_quote"><di= v dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 26, 2023 at 12:33=E2=80=AFPM= Harry Pavulaan <<a href=3D"mailto:<harrypav...>">harrypav@hotmai= l.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"ma= rgin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:= 1ex"><div id=3D"m_-5958603390449366774edo-message"><div><div>Norbert:</div>= <div><br></div><div>Yes, even here in the northeast USA, I frequently find = partially orange/yellow individuals of eurytheme at any time of year.=C2=A0= These occur in both spring and summer facies.=C2=A0 Not hybrids by any def= inition.</div><div><br></div><div>I think some recent study and also Leroy = Koehn (who really needs to publish) found that eurytheme and philodice do n= ot readily cross-mate.</div><div><br></div><div>Harry</div><div><br></div><= div><br></div><div><br></div><div><br></div><div id=3D"m_-59586033904493667= 74edo-signature"><pre></pre></div></div></div><div id=3D"m_-595860339044936= 6774edo-original"><div><blockquote type=3D"cite" style=3D"margin:1ex 0px 0p= x;border-left:1px solid rgb(204,204,204);padding-left:0.4ex"><div id=3D"m_-= 5958603390449366774edo-meta">On Feb 26, 2023 at 10:33 AM, Norbert Kondla &l= t;<a href=3D"mailto:<nkondla...>" target=3D"_blank"><nkondla...><= /a>> wrote: <br><br></div><div dir=3D"ltr">An iNat record prompted me to= share an old but useful pocket camera pic comparing eurytheme and philodic= e from southern British Columbia. From my butterfly discussions with many p= eople over the past 52 years I recall at least one person who identified eu= rytheme specimens with reduced dorsal orange as "hybrids". My exp= erience with eurytheme in AB and BC is that individuals with reduced orange= can be found early, middle and late season. Here is the old pic:<div><a hr= ef=3D"https://flic.kr/p/2oj4abj" target=3D"_blank">https://flic.kr/p/2oj4ab= j</a></div><div>Even in this old image and with an ordinary monitor I can s= ee that the dorsal yellow is different between the two species.<br clear=3D= "all"><div><br></div>-- <br><div dir=3D"ltr"><div dir=3D"ltr">Norbert Kondl= a<div>Calgary, Alberta, Canada=C2=A0 (elevation 1060 metres asl)</div><div>= <a href=3D"https://www.flickr.com/photos/118126948@N03/" target=3D"_blank">= https://www.flickr.com/photos/118126948@N03/</a><br></div><div><br></div></= div></div></div></div>
<br></blockquote></div></div>
<p></p><p></p></blockquote></div><br clear=3D"all"><div><br></div>-- <br><d= iv dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr">Norbert Kondla<di= v>Calgary, Alberta, Canada=C2=A0 (elevation 1060 metres asl)</div><div><a h= ref=3D"https://www.flickr.com/photos/118126948@N03/" target=3D"_blank">http= s://www.flickr.com/photos/118126948@N03/</a><br></div><div><br></div></div>= </div>
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