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Unlike humans, the sex and physical appearance of fruit flies is not influenced by hormones. [16] The appearance and sex of fruit flies is determined only by genetic information. [16] Female fruit flies are substantially larger than male fruit flies, with females having bodies that are up to 30% larger than an adult male. [17] [18]
Drosophila embryogenesis, the process by which Drosophila (fruit fly) embryos form, is a favorite model system for genetics and developmental biology. The study of its embryogenesis unlocked the century-long puzzle of how development was controlled, creating the field of evolutionary developmental biology. [1]
The Drosophilidae are a diverse, cosmopolitan family of flies, which includes species called fruit flies, although they are more accurately referred to as vinegar or pomace flies. [1] Another distantly related family of flies, Tephritidae , are true fruit flies because they are frugivorous, and include apple maggot flies and many pests.
Drosophila (/ d r ə ˈ s ɒ f ɪ l ə, d r ɒ-, d r oʊ-/ [1] [2]) is a genus of fly, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit.
B. dorsalis thorax and abdomen. B. dorsalis is a species of tephritid fruit fly. Flies that belong to this family are usually small to medium-sized with colorful markings. In particular, B. dorsalis belongs to a complex of physically similar flies called the Bactrocera dorsalis complex, whose defining characteristics include a mostly black thorax and dark T-shaped marking on the fly's ...
A D. virilis male (top) and female (bottom), showing the bright red gonads of the male. 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]
This fly has a round head shape, which is typical for fruit flies. [2] While females have a completely dark yellow or orange face, males have a black face with a horizontal yellow stripe between the frons and the clypeus. [3] The antennae are black in males and yellow in females. [8]
Drosophila suzukii, commonly called the spotted wing drosophila or SWD, is a fruit fly. D. suzukii, originally from southeast Asia, is becoming a major pest species in America and Europe, because it infests fruit early during the ripening stage, in contrast with other Drosophila species that infest only rotting fruit. [2]