Les lepidoptères de la Belgique, Bruxelles, Librairie C. Muquardt, Merzbach et Falk succ, 1874-84, Belgium, Lepidoptera, The illustration features a delicate branch adorned with green leaves and small, pink flowers, showcasing nature's beauty. Surrounding the plant are gracefully depicted butterflies, each with varying patterns and tones on their wings. The butterflies appear to be in motion, adding a sense of liveliness to the scene. The label below the branch identifies it as 'Lasiocampe du Saule,' hinting at a connection to the willow, while the overall composition highlights the intricate relationship between flora and fauna.