Black swallowtail caterpillar stages

The Black Swallowtail (Papilio polyxenes) caterpillar undergoes a series of developmental stages, much like other butterflies. This process is known as metamorphosis, and for butterflies, it encompasses four primary stages: 1. Egg The life of a Black Swallowtail begins as a tiny, spherical, cream-colored egg. The female butterfly usually lays these eggs on the undersides…