Les lepidoptères de la Belgique, Bruxelles, Librairie C. Muquardt, Merzbach et Falk succ, 1874-84. Belgium, Lepidoptera, The illustration features two striking Papilio machaon butterflies, delicately rendered with vivid yellow wings adorned by bold black edges and prominent red spots. They are depicted in mid-flight above a lush green landscape dotted with fine foliage and small plants. Among the greenery, a caterpillar can be seen, blending into the surrounding plants, emphasizing the connection between the different life stages of this species. The elegant composition is enhanced by the subtle details of the flora, highlighting the natural beauty and diversity of the environment. The title at the bottom reads 'Papillon Machaon sur la Petite Bouscage,' indicating the subject and locale of the scene.