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Photo#386530
Red Spotted Purple? - Limenitis arthemis

Red Spotted Purple? - Limenitis arthemis
Columbia - Rockbridge State Park, Boone County, Missouri, USA
April 18, 2010
Please help me ID this cat, as I don't have much of its foodplant and I need to get more.

Images of this individual: tag all
Red Spotted Purple? - Limenitis arthemis Limenitis arthemis astyanax? - Limenitis arthemis Red Spotted Purple Chrysalis - Frass? - Limenitis arthemis Red Spotted Purple Chrysalis - Frass? - Limenitis arthemis

Moved
Moved from Admirals, Viceroy.

Hadn't planned on moving this,
but somehow mixed it in with some Swallowtails. I figure that even if it does resemble a Swallowtail caterpillar somewhat, it is better off hangin' with it's own kind! :0)

 
Hahaha yeah, at first, when A
Hahaha yeah, at first, when Andrew described it to me, I thought it might be a Giant Swallowtail.

Moved to Limenitis
Moved from ID Request.

It is an Admiral caterpillar
in the genus Limenitis. It is most likely a Red-spotted Purple (L. arthemis astyanax), which would probably favor fruit bushes or trees in the rose family like Plums, Apples, etc. as food (Prunus, Malus, Crataegus[/u]) etc. It may also prefer Willows ([i]Salix species). It could also be a Viceroy L. archippus, which would probably favor Willow Salix species. Odds are that the host plant is near to where you found it. Also, it appears large enough (?) that it may be in the wandering stage that comes just before it pupates. Meaning that it is looking for a good hiding place to hang itself up in and shed it's skin. If this is so, it won't eat, but will probably be a butterfly in three weeks or so (with a wide margin for error in time).

 
Red spotted purple
I checked the data for the viceroy but it didn't match up, and the Wagner description favored the Red-Spotted purple ID as well. In any case it has attached itself to a branch and I'm fairly certain that it has begun forming its chrysalis. Thanks though!

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