Identification-Colias WHO?

bob_71(z7 MD)October 27, 2010

I am reasonably comfortable with ID'ing this butterfly as a white female of either the Clouded or the Orange sulphur. The comments in the Kaufman field guide give me little comfort..."Some females of both species are greenish white and almost identical." I would appreciate any input!


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Awesome pictures.

To further "cloud" the issue, where both Colias eurytheme and C. philodice occur in the same area they do interbreed freely.

I'd tend to go with Colias philodice on these pictures. Late season C. eurytheme tend to have much darker and heavier apical and marginal scaling even in the albinic form females.


    Bookmark   October 27, 2010 at 3:24PM
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tepelus z6a SW MI

I have no idea on the butterfly, but those photos are stunning!


    Bookmark   October 27, 2010 at 6:53PM
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bob_71(z7 MD)

Thanks for the assistance, Larry. Sure is nice to have truly knowledgeable people to call on!

Tepelus, your words are very much appreciated!


    Bookmark   November 10, 2010 at 12:04PM
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