Papilio machaon, commonly known as the Swallowtail butterfly, is a large and colorful butterfly found in various regions around the world, including Europe, Asia, and North America. It is easily recognizable by its striking yellow and black wings, which often feature blue and red spots. The wingspan of this butterfly can reach up to 10 centimeters. The larvae of Papilio machaon feed on plants from the Rutaceae family, such as citrus trees. These caterpillars are known for their distinctive appearance, often resembling bird droppings to deter predators. As a member of the Papilionidae family, this species plays a vital role in pollination and contributes to the biodiversity of its habitat.