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Drosophila melanogaster is a holometabolous insect, so it undergoes a full metamorphosis. Their life cycle is broken down into four stages: embryo, larva, pupa, adult. [30] The eggs, which are about 0.5 mm long, hatch after 12–15 hours (at 25 °C or 77 °F).
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 first stage of the insect life cycle is the egg, or embryo, for all developmental strategies. The egg begins as a single cell which divides and develops into the larval form before hatching. Some insects reproduce by parthenogenesis or may be haplodiploid, and produce viable eggs without fertilization. The egg stage in most insects is very ...
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.
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 circadian rhythm is a daily 24-hour cycle of rest and activity in the fruit flies of the genus Drosophila. The biological process was discovered and is best understood in the species Drosophila melanogaster. Many behaviors are under circadian control including eclosion, locomotor activity, feeding, and mating.
Drosophila phalerata is a species of mushroom-feeding fruit fly in the Drosophila quinaria species group. The genome of D. phalerata was sequenced in 2019 as part of a study on the evolution of immune systems, but was not assembled de novo .
Yet other species that live in tropical regions with little seasonality may be highly multivoltine, with several generations feeding on constantly growing vegetation (such as some species of Saturniidae), or continually renewed detritus, such as Drosophila and many other genera of flies with a life cycle of just a week or two. [9]