black swallowtail butterfly life cycle
Like all butterflies, the black swallowtail undergoes a complete metamorphosis. The life cycle has four stages: egg, larva, pupa, and adult. Egg - It takes 3-5 days for eggs to hatch. Larva - The caterpillar has five instars (stage between molts). Pupa - The chrysalis stage lasts 9-11 days, or over the winter.â.