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List: western_monarchs
Date: Tue, 26 Sep 2017 13:06:49 -0400
From: Mona Miller <runmede...> [western_monarchs] <western_monarchs...>
Subject: Re: [western_monarchs] Oregon Monarch migrates to Santa Barbara for breeding

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All I can say is that Monarchs know how to keep diversity within their
breeding groups!

On Tue, Sep 26, 2017 at 10:54 AM, 'James, David G' <david_james...>
[western_monarchs] <western_monarchs...> wrote:

>
>
> In the world of Monarchs the accepted dogma is that fall migrants from th=
e
> Pacific Northwest fly to coastal California for overwintering as
> non-reproductive individuals. Our research over the past five years has
> largely confirmed this idea with 50 recoveries of Oregon and
> Washington-tagged Monarchs in non-breeding overwintering colonies (data i=
n
> forthcoming paper =E2=80=9CCitizen scientist tagging reveals destinations=
of
> migrating Monarch butterflies from the Pacific Northwest=E2=80=9D, Journa=
l of the
> Lepidopterists Society).
>
>
>
> However a recent recovery of a Klamath Falls, Oregon-tagged Monarch in a
> Santa Barbara backyard challenges this strict reproductive
> diapause/overwintering strategy. This Klamath Falls female Monarch releas=
ed
> on September 3 migrated 545 miles in less than 19 days, clearly a
> non-reproductive migrant. But on reaching Santa Barbara on September 22
> this female had matured her ovaries, become reproductive and was observed
> ovipositing on milkweed, only 5 miles from the celebrated Ellwood
> overwintering site.
>
>
>
> This tag recovery tells us that not all migrant Monarchs from the PNW are
> destined to overwinter as non-breeding populations. Some may actually joi=
n
> the southern California year-round breeding population. For a PNW Monarch
> reaching Santa Barbara and locations further south, either reproductive
> strategy, breeding or non-breeding will work and it makes good ecological
> sense for individuals to vary in their response to the S CA sunshine and
> warmth.
>
>
>
> David G James
>
> Washington State University
>
> Prosser WA
>
> .___
>
>=20
>



--=20
Mona Miller
Herndon, VA (USA) }i{ }i{ }i{

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<div dir=3D"ltr">All I can say is that Monarchs know how to keep diversity =
within their breeding groups!=C2=A0=C2=A0<div class=3D"gmail_extra"><br><di=
v class=3D"gmail_quote">On Tue, Sep 26, 2017 at 10:54 AM, &#39;James, David=
G&#39; <a href=3D"mailto:<david_james...>"><david_james...></a> [wes=
tern_monarchs] <span dir=3D"ltr">&lt;<a href=3D"mailto:western_monarchs@yah=
oogroups.com" target=3D"_blank"><western_monarchs...></a>&gt;</s=
pan> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex=
;border-left:1px #ccc solid;padding-left:1ex">


<u></u>









=20
<div style=3D"background-color:#fff">
<span style=3D"display:none">=C2=A0</span>


<div id=3D"m_-4161386687448680394ygrp-mlmsg">
<div id=3D"m_-4161386687448680394ygrp-msg">


<div id=3D"m_-4161386687448680394ygrp-text">
=20=20=20=20=20=20
=20=20=20=20=20=20
<p>


</p><div class=3D"m_-4161386687448680394WordSection1">
<p class=3D"MsoNormal">In the world of Monarchs the accepted dogma is that =
fall migrants from the Pacific Northwest fly to coastal California for over=
wintering as non-reproductive individuals.=C2=A0 Our research over the past=
five years has largely confirmed this
idea with 50 recoveries of Oregon and Washington-tagged Monarchs in non-br=
eeding overwintering colonies (data in forthcoming paper =E2=80=9CCitizen s=
cientist tagging reveals destinations of migrating Monarch butterflies from=
the Pacific Northwest=E2=80=9D, Journal of the
Lepidopterists Society).<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">However a recent recovery of a Klamath Falls, Oregon=
-tagged Monarch in a Santa Barbara backyard challenges this strict reproduc=
tive diapause/overwintering strategy. This Klamath Falls female Monarch rel=
eased on September 3 migrated 545
miles in less than 19 days, clearly a non-reproductive migrant.=C2=A0 But =
on reaching Santa Barbara on September 22 this female had matured her ovari=
es, become reproductive and was observed ovipositing on milkweed, only 5 mi=
les from the celebrated Ellwood overwintering
site.=C2=A0 <u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">This tag recovery tells us that not all migrant Mona=
rchs from the PNW are destined to overwinter as non-breeding populations. S=
ome may actually join the southern California year-round breeding populatio=
n. For a PNW Monarch reaching Santa
Barbara and locations further south, either reproductive strategy, breedin=
g or non-breeding will work and it makes good ecological sense for individu=
als to vary in their response to the S CA sunshine and warmth.<u></u><u></u=
></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">David G James<u></u><u></u></p>
<p class=3D"MsoNormal">Washington State University<u></u><u></u></p>
<p class=3D"MsoNormal">Prosser WA<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<span style=3D"color:rgb(255,255,255)">=
.___</span></p></div></div>

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</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature" data-smartmail=3D"gmail_signature">Mona Miller<br>Hern=
don, VA (USA) }i{ }i{ }i{<br><br></div>
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Posted by: Mona Miller &lt;<runmede...>&gt; <hr style=
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