Swallowtail egg. The wee yellow burry dot. I really have no idea how to do a species selections for butterfly egg and the app selected common swallowtail when I chose insect for the species filter
I know this is a swallowtail. Very close in appearance to the spicebush bit not exact unless there is a visual between female / male .. this one has lines above the blue in it's wings
Damaged hind wing