Me? I have several thoughts when a Spicebush Swallowtail flies in.
1) I reflect on how infrequently I see them in the field. I spend much time in “open woods and edges” (Glassberg, A Swift Guide to Butterflies of North America) and I may see one or two over the course of a full morning.
2) They fly in silently, without fanfare, avoid me totally, nectar on flowers with brevity and great shyness, and like C.I.A spooks, do not want to be seen or approached.
3) Their range extends from Massachusetts to Florida to Texas and Illinois and along the northern border with Canada. Strays are reported much to the west and north. Despite such an enormous range, I have yet to meet a single person who adores them or can be deemed ‘the’ authority on this large, handsome butterfly.
4) Few of us share good images of Spicebush Swallowtails. Like an effective ‘Spook’ most view this butterfly as unremarkable in its appearance, and readily forgettable.
I’ve planted a 10′ Sassafras tree in my garden, and and 3 little Spicebushes, and I hope that these hostplants for Spicebush butterflies brings ’em in, from far and wide.