Arcana entomologica, or Illustrations of new, rare, and interesting insects, London, William Smith, 1845 i.e. 1841-1845, insects, Arthropoda, entomology, classification, pictorial works, arthropod., The illustration features an array of beetles displayed alongside a plant stem adorned with delicate flowers. The main subjects include various beetle species, each meticulously detailed and labeled with corresponding numbers. Surrounding the central beetles are additional diagrams showcasing their anatomical features, such as specialized appendages and unique structural elements. The composition highlights the intricate connection between these insects and their natural habitat, emphasizing their biological diversity. The background features a leaf, further grounding the depiction in its ecological context.