Danaus plexippus on Asclepias syriaca

Papilio troilus on Lindera benzoin

Papilio polyxenes on fennel

Papilio polyxenes (left) and Papilio troilus (right)

Papilio troilus (left), Papilio polyxenes (middle) and Danaus plexippus chrysalides (right)

Papilio troilus

Papilio troilus

Danaus plexippus

Papilio troilus

Papilio polyxenes and Papilio troilus

Papilio polyxenes

Papilio polyxenes lifecycle

Papilio polyxenes

Left: spicebush swallowtail (Papilio troilus)
Right: Eastern tiger swallowtail (Papilio glaucus)

Left: Eastern tiger swallowtail (Papilio glaucus)
Right: spicebush swallowtail (Papilio troilus)

Left: spicebush swallowtail (Papilio troilus)
Right: black swallowtail (Papilio polyxenes)

Papilio troilus final instars

Papilio troilus final instars

Left: Eastern tiger swallowtail (Papilio glaucus)
Middle: spicebush swallowtail (Papilio troilus)
Right: Eastern black swallowtail (Papilio polyxenes)

Various instars of Papilio troilus

Papilio troilus final instar with chrysalids