Fig. 4. Letters from Ubirajara R in The Entomological Collection of Ricardo von Diringshofen (1900-1986) and its incorporation to the Museu de Zoologia da Universidade de São Paulo

Fig. 4. Letters from Ubirajara R. Martins de Souza and Paulo E. Vanzolini, emphasizing the importance of Dirings's collection to the knowledge of the Neotropical Insects.