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List: NorWest Leps
Date: Wed, 8 Jun 2022 00:11:42 -0700
From: Nancy Asquith <nancyasquith...>
Subject: Re: [NorWestLeps] Pale and Western Tiger Swallowtails

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Yes, it is typical for a male butterfly to stake out a territory that a
female of its species is likely to visit--often a hilltop or an area near
the host plant--and chase away intruders. Any butterfly that is not a
potential mate seems to count as an intruder. Some butterflies have
remarkably broad definitions of "intruder." In the many hours I have spent
photographing--or trying to photograph--butterflies, I have twice been
bopped on the head by butterflies that wanted me out of their territory.
The most recent was a mourning cloak at Long Ridge OSP. It must take
enormous determination for something that weighs so little to strike a
human on the side of the head forcefully enough for her to be aware of it.

Some species, I think, are less territorial than others. Today I saw three
California tortoiseshell (gender unknown) perched on the same smallish
clump of Monardella plants.

BTW, male dragonflies will also chase other dragonflies out of what they
consider their territories.

On Tue, Jun 7, 2022 at 8:32 PM Joe Morlan <jmorlan...> wrote:

> 28 May 2022. Gazos Creek, Pescadero, California, USA.
>
> Was curious about the behavior of these two similar species. The Tiger was
> constantly chasing the larger Pale Swallowtail and would not let it rest.
> Seemed like aggression or perhaps it was trying to mate with it. Just not
> sure. Any suggestions? Thanks.
>
> Photos:
>
> https://www.inaturalist.org/observations/119148960
> --
> Joseph Morlan, Pacifica, CA
>
>
>
>
>
>


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<div dir=3D"ltr">Yes, it is typical for a male butterfly to stake out a ter=
ritory that a female of its species is likely to visit--often a hilltop or =
an area near the host plant--and chase away intruders. Any butterfly that i=
s not a potential mate seems to count as an intruder. Some butterflies have=
remarkably broad definitions of &quot;intruder.&quot; In the many hours I =
have spent photographing--or trying to photograph--butterflies, I have twic=
e been bopped on the head by butterflies that wanted me out of their territ=
ory. The most recent was a mourning cloak at Long Ridge OSP. It must take e=
normous determination for something that weighs so little to strike a human=
on the side of the head forcefully enough for her to be aware of it.=C2=A0=
<div><br></div><div>Some species, I think, are less territorial than others=
. Today I saw three California tortoiseshell (gender unknown) perched on th=
e same smallish clump of Monardella plants.=C2=A0<br><div><br></div><div>BT=
W, male dragonflies will also chase other dragonflies out of what they cons=
ider their territories.=C2=A0</div></div></div><br><div class=3D"gmail_quot=
e"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Jun 7, 2022 at 8:32 PM Joe=
Morlan &lt;<a href=3D"mailto:<jmorlan...>"><jmorlan...></a>&gt; =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">28 May 20=
22.=C2=A0 Gazos Creek, Pescadero, California, USA.<br>
<br>
Was curious about the behavior of these two similar species.=C2=A0 The Tige=
r was<br>
constantly chasing the larger Pale Swallowtail and would not let it rest.<b=
r>
Seemed like aggression or perhaps it was trying to mate with it.=C2=A0 Just=
not<br>
sure.=C2=A0 Any suggestions?=C2=A0 Thanks.<br>
<br>
Photos: <br>
<br>
<a href=3D"https://www.inaturalist.org/observations/119148960" rel=3D"noref=
errer" target=3D"_blank">https://www.inaturalist.org/observations/119148960=
</a><br>
--<br>
Joseph Morlan, Pacifica, CA<br>
<br>
<br>
<br>
<br>
<br>
</blockquote></div>


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