Not knowing my butterflies, I just assume any black butterfly in my yard is a BST. Today I stepped outside and a black butterfly was on the Echinacea, so I ran inside and grabbed the camera. Remember, air conditioning inside, hot and muggy outside. The camera fogged up and I only got a couple of shots before it was gone. But could this be a spicebush swallowtail? I was planning on calling the garden center to see if they could get me a spicebush yet this year, but if this is, I will call immediately.

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And I found this white egg on my dill. Any ideas what it could be?

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Thanks for everyone's help.