Drosophila virilis is a species of fruit fly with a worldwide distribution (probably due to human movements[1]), and was one of 12 fruit fly genomes sequenced for a large comparative study.[2] The males have bright red gonads that can be seen through the cuticle.
Drosophila virilis | |
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A D. virilis male | |
Illustration of a D. virilis male | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Diptera |
Family: | Drosophilidae |
Subfamily: | Drosophilinae |
Genus: | Drosophila |
Subgenus: | Drosophila |
Species group: | virilis |
Species: | D. virilis
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Binomial name | |
Drosophila virilis Sturtevant, 1916
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The life cycle of D. virilis is longer than that of D. melanogaster, in part owing to its larger body size; adult D. virilis are approximately twice the size of D. melanogaster.[3]
D. virilis belongs to the virilis group, which diverged around 7 to 11 million years ago, during the period of the Early Miocene.[4] This event split the virilis group into the montana and virilis phylads, which include the species Drosophila montana and Drosophila virilis, respectively.[4] Divergence of these phylads preceded the group's movement from South Asia into North America.[4]
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