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I'm deciding between two different species: Red Spotted Purple, Limenitis arthemis astyanax larvae or Viceroy, Limenitis archippus larvae
Spotted on Aug 1, 2012
Submitted on Aug 1, 2012
3 Comments
On the other hand, this spotting here is a poplar.
http://www.projectnoah.org/spottings/126...
Oh dear, I'm not really helping, am I? If you still have the caterpillar, you could always try rearing it.
I see this other spotting here looks a lot like willow.
http://www.projectnoah.org/spottings/124...
I think that puts Viceroy in the lead.
It might help if you know what kind of trees are in the area. Viceroys feed on willow, Red-spotted Purple feeds on cherry and oak. Both feed on poplar.