<p><span class="taxon"><em>Drosophila melanogaster</em></span> has been introduced to every continent of the world with one exception, Antarctica. On other continents its range is limited only by mountain ranges, deserts, and high lattitudes. (Demerec 1950) The natural range of <span class="taxon"><em>D. melanogaster</em></span> is throughout the Old World tropics. Humans have helped to spread <span class="taxon"><em>Drosophila melanogaster</em></span> to every other location which it inhabits.<span> (Demerec, 1950; Patterson and Stone, 1952)</span></p> <p><strong>Biogeographic Regions: </strong>Nearctic; Nearctic :: Introduced; Palearctic; Palearctic :: Introduced; Oriental; Oriental :: Native; Ethiopian; Ethiopian :: Native; Neotropical; Neotropical :: Introduced; Australian; Australian :: Introduced; Oceanic Islands; Oceanic Islands :: Introduced</p><p><strong>Other Geographic Terms: </strong>Cosmopolitan</p>
- Demerec, .. 1950. Biology of Drosophila. New York: John Wiley and Sons, Inc..
- Patterson, J., W. Stone. 1952. Evolution in the Genus Drosophila. New York: Macmillan Co..