Steve Downer / Fruit fly (Drosophila melanogaster) close-up of eye.

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Laboratory culture of Wild type Common fruit flies (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Curly (wings turn up) mutant, the mutations are used as genetic markers in gene research, Vienna Drosophila RNAi Center, Institute for Mol...

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster)Vienna Drosophila RNAi Center, Institute of Molecular Pathology, Austria [focus staking]

Solvin Zankl / Research scientist Dr. Anne von Philipsborn sorting a laboratory culture of Common fruit flies (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austri...

Solvin Zankl / Sorting Common fruit fly (Drosophila melanogaster) laboratory culture embryos for DNA injection at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria.

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Konrad Wothe / Fruit fly (Drosophila melanogaster) male, Germany, August.

Doug Wechsler / Vinegar flies / Fruit flies (Drosophila sp.) feeding on fermented sap or alcohol flux, Fort Washington State Park, Montgomery County, Pennsylvania, USA, June.

Steve Downer / Fruit fly (Drosophila melanogaster) cleaning itself on apple and regurgitating. UK

Steve Downer / Fruit fly (Drosophila melanogaster) reguritating on apple and walking away.

Steve Downer / Fruit fly (Drosophila melanogaster) grooming itself on apple. UK.

Steve Downer / Close-up larva of Fruit fly (Drosophila melanogaster) showing mouth parts. UK

Steve Downer / Close-up larva of Fruit fly (Drosophila melanogaster) showing internal structure, UK

Steve Downer / Larva of Fruit fly (Drosophila melanogaster) feeding on apple, UK.

Floris van Breugel / High speed exposure of a Fruit fly (Drosophila melanogaster) taken through a microscope. In this image flight muscles express a genetically engineered protein called GCaMP, which fluoresces green in t...

Floris van Breugel / Fruit fly (Drosophila melanogaster) female (left) and male (right) California Institute of Technology, USA, December 2016.

Floris van Breugel / Fruit fly (Drosophila melanogaster) tethered in LED illuminated chamber which stimulates moving visual patterns. Behind the fly is a camera, which is used to record its wing beat amplitude a rough me...

Floris van Breugel / Fruit fly (Drosophila melanogaster) tethered to a tungsten pin. Despite not going anywhere, the fly will flap its wings, and respond to visual scenery as if it were in fact moving. This is a common ap...

Michael Durham / Female Spotted wing fruit fly (Drosophila suzukii) in flight over a strawberry, Oregon, USA, March.

Michael Durham / Fruit Fly (Drosophila melanogaster) group attracted to American Blueberries (Vaccinium corymbosum), Oregon

Stephen Dalton / Fruit fly (Drosophila melanogaster) in flight having just taken-off from strawberry, controlled conditions.

Stephen Dalton / Fruit flies (Drosophila melanogaster) on rotting strawberry, England, UK, August

Stephen Dalton / Fruit flies (Drosophila melanogaster) on egg-shell, England, UK, August

Stephen Dalton / Fruit fly (Drosophila melanogaster) just taken off from melon, controlled conditions.

Rod Williams / Wildtype Common fruit flies (Drosophila melanogaster) mating on leaf, South London, UK, October

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) from laboratory culture, the flies were fed with green and red food for staining purposes, Vienna Drosophila RNAi Center, Institute for Molecula...

Solvin Zankl / Common fruit flies (Drosophila melanogaster) laboratory culture of flies showing Yellow (yellow pigmentation), Curly (wings curl away from body) and Orange (less red pigmentation in eyes) mutations. T...

Solvin Zankl / Common fruit flies (Drosophila melanogaster) laboratory culture of flies showing Yellow (yellow pigmentation), Curly (wings curl away from body) and Orange (less red pigmentation in eyes) mutations. T...

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) on apple, grooming, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) White type mutant (eyes lack pigmentation and appear white) laboratory culture. Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing the Orange mutation (eyes have fewer red pigments than normal) the mutation is used as a genetic marker. Vienna Drosophila RNAi Center, Institute for...

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) from laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Curly (wings turn up) and Orange (eyes are less red) mutant, the mutations are used as genetic markers in gene research, Vienna Drosophila...

Solvin Zankl / Mating behaviour in Common fruit flies (Drosophila melanogaster) studied in laboratory for gene research, a Curly (wings turn up) and Orange (less red pigment in the eyes) mutant female rejects the ma...

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Yellow (yellow body pigmentation) and Curly (wings turn up) mutant, the mutations are used as genetic markers in gene research, Vienna Dro...

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Mating behaviour in Common fruit flies (Drosophila melanogaster) studied in laboratory for gene research, a Yellow (body pigmentation) Curly (wings turn up) type mutant male mates with a Yellow, Curly...

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, pair in courtship, male fly (below) singing to the female during courtship using his wings to generate sound. Vienna Drosophi...

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) from laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing the Curly mutation (wings curl away from the body) The mutation is used as a genetic marker. Vienna Drosophila RNAi Center, Institute for Molecular P...

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) laboratory culture, mating pair, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) White type mutant (eyes lack pigmentation and appear white) laboratory culture. Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Research scientist sorting a laboratory culture of Common fruit flies (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria, October 2010

Solvin Zankl / Using fine electrodes to measure brain activity in Common fruit fly (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria.

Solvin Zankl / Dr. Krystyna Keleman and Dr Barry Dickson with drawing of Common fruit fly (Drosophila melanogaster), research scientists at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austr...

Solvin Zankl / Laboratory culture of Wild type Common fruit flies (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture of flies demonstrating various mutations at Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria, September 2010

Solvin Zankl / Common Fruit Fly (Drosophila melanogaster) laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing Stubble mutation (hairs are shorter and thicker than wild type) and If mutation (irregular facets, a dominant mutation that results in small eyes wit...

Solvin Zankl / Common Fruit Fly (Drosophila melanogaster) showing Antennapedia mutation (legs instead of antennae growing from the head). The mutation is used as a genetic marker, Vienna Drosophila RNAi Center, Inst...

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) in flight, laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Photographer, Solvin Zankl, photographing mating behaviour of laboratory culture of Wild type Common fruit flies (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Patho...

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) in flight, laboratory culture, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing Stubble (hairs shorter and thicker) and Drop (very small eyes) mutations. Mutations used as genetic markers. Vienna Drosophila RNAi Center, Institute...

Solvin Zankl / Wild type Common fruit fly (Drosophila melanogaster) laboratory culture, female in flight, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Common Fruit Fly (Drosophila melanogaster) embryos, Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria, [focus stacking]

Rod Williams / Common Fruit flies / Vinegar flies (Drosophila melanogaster) feeding on a pear, UK

Rod Williams / Common Fruit flies / Vinegar flies (Drosophila melanogaster) feeding on a pear, UK

Rod Williams / Common Fruit flies / Vinegar flies (Drosophila melanogaster) feeding on the stalk of a pear, UK

Albert Lleal / Fruit Fly (Drosophila melanogaster) SEM close-up view of proboscis at 105x magnification

Albert Lleal / Fruit Fly (Drosophila melanogaster) embryos at 12x magnification, Spain

Albert Lleal / Fruit Fly (Drosophila melanogaster) embryos at 12x magnification, Spain

Albert Lleal / Fruit Fly (Drosophila melanogaster) on ripe fruit, Spain

Albert Lleal / Fruit Fly (Drosophila melanogaster) caught by Cape Sundew (Drosera capensis), native to South Africa

Albert Lleal / Fruit Fly (Drosophila melanogaster) feeding, Spain

Nature Production / Fruit fly / Black-bellied Dew-lover {Drosophila melanogaster} normal male with red eyes, Japan

Nature Production / Fruit fly / Black-bellied Dew-lover {Drosophila melanogaster} with white eyes, Japan

Mark Moffett / Fruit Fly (Drosophila melanogaster), Haia, Papua New Guinea

Konrad Wothe / Fruit Fly (Drosophila melanogaster) male, Germany

Doug Wechsler / Five Vinegar flies (Mycodrosophila) and a Forest midge (Cecidomyiidae) resting on underside of Artist conk fungus (Ganoderma applanatum), Crossways Preserve, Pennsylvania, USA. July.