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Drosophilidae
From Wikipedia, the free encyclopedia
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Drosophilidae (Order: Diptera) is a diverse, cosmopolitan family of flies, including the genus Drosophila, which includes fruit flies, vinegar flies, wine flies, pomace flies, grape flies, and picked fruit-flies. The best known species is Drosophila melanogaster that is used extensively for studies concerning genetics, development, physiology, ecology, behaviour, etc. The fruit fly is mostly composed of post-mitotic cells, has a very short lifespan, and shows gradual ageing. Like in other species, temperature influences the life history of the animal. Several genes have been identified whose manipulation extends the lifespan of these animals.
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Drosophilidae are often used as food sources for kept pets, including fish, amphibians and reptiles. [1]
Recent versions of the diagnostic characteristics can be found in "Drosophila: A Guide to Species Identification and Use" by Therese A. Markow and Patrick O'Grady, (Academic Press, 2005) ISBN: 0124730523 or "Drosophila: A Laboratory Handbook" by M. Ashburner, K. Golic, S. Hawley, (Cold Spring Harbor Laboratory Press, 2005) (not reproduced here due to copyrights).
The knowledge of the phylogeny of this family is incomplete. The family is subdivided in two subfamilies, the Drosophilinae and the Steganinae. The two subfamilies do not contain a single morphological character that distinguishes them. However, the combination of characterists is sufficient to assign species correctly to the subfamilies.
Most molecular phylogeny studies focus on the genus Drosophila and related genera. Currently, there is no overview of the more than 100 articles using molecular techniques to reconstruct the phylogeny.
 Fruit fly (Drosophilidae) |
 Fruit fly feeding |
 Close-up of fruit fly proboscis |
 Front view |
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 Drosophilidae compound eye |
- ^ http://www.exotic-pets.eu/fruit-flies.php Fruit flies as live food.