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The Fruit Fly Drosophila melanogaster Favors Dim Light and Times Its Activity Peaks to Early Dawn and Late Dusk

Rieger, Dirk ; Fraunholz, Christina ; Popp, Jochen ; Bichler, Dominik ; Dittmann, Rainer ; Helfrich-Förster, Charlotte



Zusammenfassung

The light preferences of fruit flies were tested by 2 different means. First, flies were allowed to choose between different illuminations, and their favorite resting, grooming, and feeding places were determined with an infrared-sensitive camera. Second, the activity levels of the animals during their main daily activity period were determined photoelectrically (via infrared light beams) under ...

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