Diptères, exotiques, nouveaux, ou, peu, connus, Paris, Roret,1838-1843, diptera, insect, The illustration features two distinct species of insects, identified as Ctenophora leta and Ctenogyna bicolor. The upper section showcases Ctenophora leta, highlighting its elongated body and detailed wing structure, complete with elaborate patterns that suggest its unique characteristics. Beneath it, Ctenogyna bicolor is presented, displaying a more slender form and distinctively shaped wings. Inset on the left, a detailed view of the anatomical features offers insights into the morphology of these insects, including the intricacies of their antennae and legs. This diagrammatic representation emphasizes the diversity and complexity of insect anatomy within a scientific context.