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On 2020-06-22 8:47 AM, Andrew Stadnyk wrote:
> Canadian Tiger Swallowtails were present in good numbers last week,
> saw them in Lower Sackville and Annapolis Royal on the weekend. I have
> a pic of one lacking any colour in the hindwing. Looking it up I
> discovered the Eastern Tiger Swallowtail may lack the blue couloring
> on the hindwing. Is there an easy way to confirm my visitor as one or
> the other? Online, there are considerable variations in the details on
> these butterflies.
Males have less blue than females and P. canadensis typically has less
blue than P. glaucus. My guess is that your photo is of a male largely
lacking the blue spots...
Phil
--
Phil Schappert, PhD
27 Clovis Ave.
Halifax, NS, B3P 1J3
philschappert.ca
imaginaturestudio.ca
◎|||||||◎
If it gets much better than this,
I may need some medication, to get me through the day
If it gets much better than this,
I may need some strong sedation, or I might just float away
Tony Hawks, Nik Kershaw & Ash Alexander
(from 'Round Ireland With A Fridge, 2010)
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<p>On 2020-06-22 8:47 AM, Andrew Stadnyk wrote:<br>
</p>
<blockquote type="cite"
cite="mid:YT1PR01MB2428975F597A8980F668BEE2E4970@YT1PR01MB2428.CANPRD01.PROD.OUTLOOK.COM">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
Canadian Tiger Swallowtails were present in good numbers last
week, saw them in Lower Sackville and Annapolis Royal on the
weekend. I have a pic of one lacking any colour in the hindwing.
Looking it up I discovered the Eastern Tiger Swallowtail may
lack the blue couloring on the hindwing. Is there an easy way to
confirm my visitor as one or the other? Online, there are
considerable variations in the details on these butterflies.</div>
</blockquote>
<p><br>
</p>
<p>Males have less blue than females and P. canadensis typically has
less blue than P. glaucus. My guess is that your photo is of a
male largely lacking the blue spots...</p>
<p><br>
</p>
<p>Phil</p>
--
<pre class="moz-signature" cols="72">
Phil Schappert, PhD
27 Clovis Ave.
Halifax, NS, B3P 1J3
philschappert.ca
imaginaturestudio.ca
◎|||||||◎
If it gets much better than this,
I may need some medication, to get me through the day
If it gets much better than this,
I may need some strong sedation, or I might just float away
Tony Hawks, Nik Kershaw & Ash Alexander
(from 'Round Ireland With A Fridge, 2010)</pre>
</body>
</html>
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