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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Butterflies (excluding skippers) (Papilionoidea) » Brushfooted Butterflies (Nymphalidae) » Crescents, Checkerspots, Anglewings, etc. (Nymphalinae) » Checkerspots (Euphydryas)
Photo#57642
Caterpillar - Euphydryas
Copyright © 2006 Will Chatfield-Taylor

Caterpillar - Euphydryas
Mt Diablo State Park, California, USA
June 13, 2006
Anyone know what this caterpillar is? Maybe a swallowtail?
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Contributed by Will Chatfield-Taylor on 14 June, 2006 - 4:56pm
Last updated 22 November, 2008 - 7:10pm

Moved
I've done a lot of comparing over the last few days, and this is almost certainly in this genus. I don't know for sure the species. One might guess that the foodplant could be the Mimulus the pupa is attached to, a favorite foodplant of Euphydryas chalcedona. I agree with Will, it probably is that species, but I'm not sure how to rule out E. editha.

Moved from Brushfooted Butterflies.
… David J. Ferguson, 22 November, 2008 - 7:10pm login or register to post comments

Moved
Moved from Butterflies.
… Will Chatfield-Taylor, 15 November, 2008 - 11:29am login or register to post comments

Looks like a chrysalis (pupa) to me
but I don't recognize it. Swallowtails usually have a silk girdle, though, which I don't see here.
… Hannah Nendick-Mason, 14 June, 2006 - 7:46pm login or register to post comments

 
Checkerspot
but not sure which one.
… David J. Ferguson, 15 November, 2008 - 4:14am login or register to post comments

 
Probably E. chalcedona, Varia
Probably E. chalcedona, Variable Checkerspots are incredibly common on Mount Diablo
… Will Chatfield-Taylor, 22 November, 2008 - 7:47pm login or register to post comments

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