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Date: Tue, 26 Sep 2017 09:52:34 -0700
From: Paul Cherubini <monarch...> [western_monarchs] <western_monarchs...>
Subject: Re: [western_monarchs] Oregon Monarch migrates to Santa Barbara for breeding
---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in messageX-Originating-IP: 98.138.100.121X-Original-From: Paul Cherubini <monarch...>From: "Paul Cherubini <monarch...> [western_monarchs]" <western_monarchs...>X-Yahoo-Profile: stelliomatsonSender: <western_monarchs...>: 1.0Mailing-List: list <western_monarchs...>; contact <western_monarchs-owner...>: mailing list <western_monarchs...>: <western_monarchs.yahoogroups.com>Precedence: bulkList-Unsubscribe: <mailto:<western_monarchs-unsubscribe...>Date: Tue, 26 Sep 2017 09:52:34 -0700Subject: Re: [western_monarchs] Oregon Monarch migrates to Santa Barbara for breedingReply-To: <western_monarchs...>: groups-email-tradh-m
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I don=E2=80=99t see how this is a new discovery. It=E2=80=99s long been obs=
erved that
some fall migrant monarchs from the northern USA become reproductive
en route to the overwintering sites and lay eggs including the milkweeds=20
growing along or near the California fall and winter cluster sites.=20

I also don=E2=80=99t see how anyone can say that a "southern California yea=
r-round=20
breeding population=E2=80=9D actually exists because when monarch enthusias=
ts=20
living along the coast have raised and tagged monarchs in late summer=20
and early fall some emerge as diapausers that fly to nearby overwintering=20
sites.

I am unaware of any difference between the reproductive and migration biolo=
gy
and behavior of northern and southern California coastal monarchs;
i.e. some winter egg laying and summer breeding occur along the northern=20
as well as southern California coast (documented with video).=20

Paul Cherubini
El Dorado, Calif.

> On Sep 26, 2017, at 7:54 AM, 'James, David G' <david_james...> [wester=
n_monarchs] <western_monarchs...> wrote:
>=20
>=20
>=20
> 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-repr=
oductive individuals. Our research over the past five years has largely co=
nfirmed this idea with 50 recoveries of Oregon and Washington-tagged Monarc=
hs in non-breeding overwintering colonies (data in forthcoming paper =E2=80=
=9CCitizen scientist tagging reveals destinations of migrating Monarch butt=
erflies from the Pacific Northwest=E2=80=9D, Journal of the Lepidopterists =
Society).
>=20=20
> However a recent recovery of a Klamath Falls, Oregon-tagged Monarch in a =
Santa Barbara backyard challenges this strict reproductive diapause/overwin=
tering strategy. This Klamath Falls female Monarch released 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 he=
r ovaries, become reproductive and was observed ovipositing on milkweed, on=
ly 5 miles from the celebrated Ellwood overwintering site.=20=20
>=20=20
> This tag recovery tells us that not all migrant Monarchs from the PNW are=
destined to overwinter as non-breeding populations. Some may actually join=
the southern California year-round breeding population. For a PNW Monarch =
reaching Santa Barbara and locations further south, either reproductive str=
ategy, breeding or non-breeding will work and it makes good ecological sens=
e for individuals to vary in their response to the S CA sunshine and warmth=
.
>=20=20
> David G James
> Washington State University
> Prosser WA
>=20=20
>=20=20
>=20
>=20
>=20


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<div class=3D"">I don=E2=80=99t see how this is a new discovery. It=E2=80=
=99s long been observed that</div><div class=3D"">some fall migrant monarch=
s from the northern USA become reproductive</div><div class=3D"">en route t=
o the overwintering sites and lay eggs including the milkweeds&nbsp;</div><=
div class=3D"">growing along or near the California fall and winter cluster=
sites.&nbsp;</div><div class=3D""><br class=3D""></div><div class=3D"">I a=
lso don=E2=80=99t see how anyone can say that a "southern California year-r=
ound&nbsp;</div><div class=3D"">breeding population=E2=80=9D actually exist=
s because when monarch enthusiasts&nbsp;</div><div class=3D"">living along =
the coast have raised and tagged monarchs in late summer&nbsp;</div><div cl=
ass=3D"">and early fall some emerge as diapausers that fly to nearby overwi=
ntering&nbsp;</div><div class=3D"">sites.</div><div class=3D""><br class=3D=
""></div><div class=3D"">I am unaware of any difference between the reprodu=
ctive and migration biology</div><div class=3D"">and behavior of northern a=
nd southern California coastal monarchs;</div><div class=3D"">i.e. some win=
ter egg laying and summer breeding occur along the northern&nbsp;</div><div=
class=3D"">as well as southern California coast (documented with video).&n=
bsp;</div><div class=3D""><br class=3D""></div><div class=3D"">Paul Cherubi=
ni</div><div class=3D"">El Dorado, Calif.</div><div class=3D""><br class=3D=
""></div><div><blockquote type=3D"cite" class=3D""><div class=3D"">On Sep 2=
6, 2017, at 7:54 AM, 'James, David G' <a href=3D"mailto:<david_james...>=
" class=3D""><david_james...></a> [western_monarchs] &lt;<a href=3D"mail=
to:<western_monarchs...>" class=3D"">western_monarchs@yahoogroup=
s.com</a>&gt; wrote:</div><br class=3D"Apple-interchange-newline"><div clas=
s=3D""><br style=3D"font-family: Helvetica; font-size: 12px; font-style: no=
rmal; font-variant: normal; font-weight: normal; letter-spacing: normal; or=
phans: auto; text-align: start; text-indent: 0px; text-transform: none; whi=
te-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-widt=
h: 0px;" class=3D""><br style=3D"font-family: Helvetica; font-size: 12px; f=
ont-style: normal; font-variant: normal; font-weight: normal; letter-spacin=
g: normal; orphans: auto; text-align: start; text-indent: 0px; text-transfo=
rm: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-tex=
t-stroke-width: 0px;" class=3D""><div class=3D"WordSection1" style=3D"page:=
WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal;=
font-variant: normal; font-weight: normal; letter-spacing: normal; orphans=
: auto; text-align: start; text-indent: 0px; text-transform: none; white-sp=
ace: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0p=
x;"><div style=3D"clear: both; padding: 15px 0px 3px; overflow: hidden; mar=
gin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" =
class=3D"">In the world of Monarchs the accepted dogma is that fall migrant=
s from the Pacific Northwest fly to coastal California for overwintering as=
non-reproductive individuals.&nbsp; 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 in forthcomin=
g paper =E2=80=9CCitizen scientist tagging reveals destinations of migratin=
g Monarch butterflies from the Pacific Northwest=E2=80=9D, Journal of the L=
epidopterists Society).<o:p class=3D""></o:p></div><div style=3D"clear: bot=
h; padding: 15px 0px 3px; overflow: hidden; margin: 0in 0in 0.0001pt; font-=
size: 11pt; font-family: Calibri, sans-serif;" class=3D""><o:p class=3D"">&=
nbsp;</o:p></div><div style=3D"clear: both; padding: 15px 0px 3px; overflow=
: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, =
sans-serif;" class=3D"">However a recent recovery of a Klamath Falls, Orego=
n-tagged Monarch in a Santa Barbara backyard challenges this strict reprodu=
ctive diapause/overwintering strategy. This Klamath Falls female Monarch re=
leased on September 3 migrated 545 miles in less than 19 days, clearly a no=
n-reproductive migrant.&nbsp; 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 overwinte=
ring site.&nbsp;<span class=3D"Apple-converted-space">&nbsp;</span><o:p cla=
ss=3D""></o:p></div><div style=3D"clear: both; padding: 15px 0px 3px; overf=
low: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibr=
i, sans-serif;" class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"=
clear: both; padding: 15px 0px 3px; overflow: hidden; margin: 0in 0in 0.000=
1pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=3D"">This ta=
g recovery tells us that not all migrant Monarchs from the PNW are destined=
to overwinter as non-breeding populations. Some may actually join the sout=
hern California year-round breeding population. For a PNW Monarch reaching =
Santa Barbara and locations further south, either reproductive strategy, br=
eeding or non-breeding will work and it makes good ecological sense for ind=
ividuals to vary in their response to the S CA sunshine and warmth.<o:p cla=
ss=3D""></o:p></div><div style=3D"clear: both; padding: 15px 0px 3px; overf=
low: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibr=
i, sans-serif;" class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"=
clear: both; padding: 15px 0px 3px; overflow: hidden; margin: 0in 0in 0.000=
1pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=3D"">David G=
James<o:p class=3D""></o:p></div><div style=3D"clear: both; padding: 15px =
0px 3px; overflow: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-=
family: Calibri, sans-serif;" class=3D"">Washington State University<o:p cl=
ass=3D""></o:p></div><div style=3D"clear: both; padding: 15px 0px 3px; over=
flow: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;" class=3D"">Prosser WA<o:p class=3D""></o:p></div><div styl=
e=3D"clear: both; padding: 15px 0px 3px; overflow: hidden; margin: 0in 0in =
0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=3D""><o=
:p class=3D"">&nbsp;</o:p></div><div style=3D"clear: both; padding: 15px 0p=
x 3px; overflow: hidden; margin: 0in 0in 0.0001pt; font-size: 11pt; font-fa=
mily: Calibri, sans-serif;" class=3D""><o:p class=3D"">&nbsp;</o:p></div></=
div><br style=3D"font-family: Helvetica; font-size: 12px; font-style: norma=
l; font-variant: normal; font-weight: normal; letter-spacing: normal; orpha=
ns: auto; text-align: start; text-indent: 0px; text-transform: none; white-=
space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: =
0px;" class=3D""><br style=3D"font-family: Helvetica; font-size: 12px; font=
-style: normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; orphans: auto; text-align: start; text-indent: 0px; text-transform:=
none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-s=
troke-width: 0px;" class=3D""><div width=3D"1" style=3D"font-family: Helvet=
ica; font-size: 12px; font-style: normal; font-variant: normal; font-weight=
: normal; letter-spacing: normal; orphans: auto; text-align: start; text-in=
dent: 0px; text-transform: none; white-space: normal; widows: auto; word-sp=
acing: 0px; -webkit-text-stroke-width: 0px; color: white; clear: both;" cla=
ss=3D""></div></div></blockquote></div><br class=3D"">



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