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White Admiral Caterpillar

Posted by May 19th, 2008 at 12:00 am

Categories

brush footed butterfly caterpillars

Any idea what this catapillar is?
This is on a small willow tree in our yard on Vancouver Island, BC, Canada, and I have never seen one that looks like this before. No luck so far in finding out what it is. It’s rear is raised and head tucked under at the end with the yellow. Large brown head & 2 spirally dark spikes. Any chance someone there knows? It is about 2 inches long. Thanks,
Ian.

Hi Ian,
This is a White Admiral Caterpillar, Limenitis arthemis. The White Admiral is the northern subspecies and the Red Spotted Purple is the southern subspecies. Where the two subspecies overlap in range, there is a gradual intergradations of physical characteristics. A third subspecies is the Western White Admiral.

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