Papilionidae, the Swallowtail family, containing some 600 species worldwide, has some of the world's largest butterflies.
   There are typically three generations of Spicebush Swallowtails per year. Most become adults from Feb. through Nov. and are most often seen in flight from April through October.
   They have an average lifespan of two days to two weeks, depending on food availability and predation.
   They have wide black hindwings edged with green spots. On the male, the hindwings have a blue - green band, and the females have blue accent shading.