Contrary to what their name suggests, (adult) golden dung flies don’t feed on dung. They eat flowers’ nectar. Females lay their eggs in big mammals’ dung.
Wikipedia writes about them:
Scathophaga are integral in the animal kingdom due to their role in the natural erosion of dung in fields. They are also very important in the scientific world due to their short life cycles and susceptibility to experimental manipulations, and have thus contributed significant knowledge about animal behavior.
Walter Debloudts made this video.
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