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see fruit flyfruit fly,
common name for any of the flies of the families Tephritidae and Drosophilidae. All fruit flies are very small insects that lay their eggs in various plant tissues.
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a genus of insects of the family Drosophilidae. The genus consists of small insects (about 3.5 mm long) with a bulging body and, as a rule, red eyes. Drosophila is distributed all over the world, with 25 species in the USSR. It is found everywhere, especially in vegetable and fruit storehouses. The larvae develop mainly in fermenting, frequently semiliquid, plant residues. Because of the ease with which they can be raised in the laboratory, the rapidity of their development, and the distinctness of segregation of species in the offspring, several species, chiefly the common banana fly (D. melanogaster), became a major object of genetics research after the work of the American scientist T. Morgan. Mutagenesis was studied quantitatively in Drosophila, and the first experimental mutations were induced in it. In nature, Drosophila is important as a carrier of yeast fungi.

References in periodicals archive ?
Mutual Interest Between the Sexes and Reproductive Success in Drosophilia Pseudoobscura, 56 EVOLUTION 2437 (2002).
The hAES gene is a variant of the Drosophilia groucho and human transducin-like enhancer of split (TLE) genes.
McPeek and Speed (1995) compared the fit of various crossover formation models and concluded that gamma interevent distribution fit best the Drosophilia dataset of Morgan et al.
On the advice of an untrustworthy friend, Drosophilia (Willa O'Neill), Lucinda decides to test Karl's devotion by exhibiting increasingly bizarre behavior.