Diptères, exotiques, nouveaux, ou, peu, connus, Paris, Roret, 1838, diptera, insect, A detailed illustration depicting various species of flies. At the top is *Pangonia aurata*, showcasing its distinct body features, followed by *Pangonia macroporum*, noted for its large wings and unique anatomical characteristics. The third illustration features *Pangonia elavata*, highlighting its specific traits. Finally, *Dieramia cervus* is presented, illustrating its differentiating aspects in size and form. The accompanying labels provide context for each species, enhancing the understanding of their biological classification and morphology.