Georg Friedrich Treitschke (; 29 August 1776 – 4 June 1842) was a German librettist, translator and lepidopterist. He was born in Leipzig and died in Vienna. In 1800 he came to the Vienna Hofoper. From 1809 to 1814 he was principal of the Viennese Theater an der Wien. He wrote mostly librettos for Paul Wranitzky, Adalbert Gyrowetz and C. Weigl (Weisenhaus, The Orphanage), and translated many French operas into German. In 1814 he revised the libretto of Fidelio at Ludwig van Beethoven's request. Entomological works with Ochsenheimer, F. (1825): Die Schmetterlinge von Europa, Band 5/1. – Leipzig (Fleischer). XVI + 414 S. Treitschke, F. (1825): Die Schmetterlinge von Europa, Band 5/2. – Leipzig (Fleischer). 447 + [1] S. Treitschke, F. (1826): Die Schmetterlinge von Europa, Band 5/3. – Leipzig (Fleischer). IV + 419 + [1] S. Treitschke, F. (1827): Die Schmetterlinge von Europa, Band 6/1. – Leipzig (Fleischer). VIII + 444 S. Treitschke, F. (1828): Die Schmetterlinge von Europa, Band 6/2. – Leipzig (Fleischer). 319 S. Treitschke, F. (1829): Die Schmetterlinge von Europa, Band 7. – Leipzig (Fleischer). VI + 252 S. Treitschke, F. (1830): Die Schmetterlinge von Europa, Band 8. – Leipzig (Fleischer). VIII + 312 S. Treitschke, F. (1832): Die Schmetterlinge von Europa, Band 9/1. – Leipzig (Fleischer). VIII + 272 S. Treitschke, F. (1833): Die Schmetterlinge von Europa, Band 9/2. – Leipzig (Fleischer). 284 S. Treitschke, F. (1834): Die Schmetterlinge von Europa, Band 10/1. – Leipzig (Fleischer). X + 286 S. Treitschke, F. (1835): Die Schmetterlinge von Europa, Band 10/2. – Leipzig (Fleischer). [2] + 340 S. Treitschke, F. (1835): Die Schmetterlinge von Europa, Band 10/3. – Leipzig (Fleischer). [4] + 302 S. Treitschke, F. (Hrsg.) (1840-1843): Naturhistorischer Bildersaal des Thierreiches. Nach William Jardine. Vorwort von K. Vogel. 4 Bände. – Pesth und Leipzig (Hartleben). Ca. 770 S., 180 Taf. (360 Abb.). Treitschke, F. (1841): Naturgeschichte der europäischen Schmetterlinge. Schwärmer und Spinner. – Pesth (Hartleben). [9] + XIV + [2] + 222 S., Frontispiz, 30 Taf. References Max Mendheim: Treitschke, Georg Friedrich. In: Allgemeine Deutsche Biographie. Vol. 38, Duncker & Humblot, Leipzig 1894, p. 558. German male musicians German opera librettists German lepidopterists Scientists from Leipzig German expatriates in Austria 1776 births 1842 deaths German male dramatists and playwrights 19th-century German dramatists and playwrights 19th-century German male writers German male non-fiction writers 19th-century German translators Writers from Leipzig