51-million-year-old fossil reveals ancient origins of non-biting flies

51-million-year-old fossil reveals ancient origins of non-biting flies

A newly discovered fossil from Australia is rewriting what scientists know about the origins of non-biting midges—tiny insects that thrive near lakes and rivers.

The fossil, estimated to be around 51 million years old, represents the oldest known member of the Chironomidae family ever found in the Southern Hemisphere.

This remarkable find suggests that these freshwater insects may have first evolved in the ancient southern supercontinent known as Gondwana.

The discovery, led by an international research team, was published in Gondwana Research.

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Author summary: Ancient fossil rewrites origins of non-biting flies.

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Knowridge Science Report Knowridge Science Report — 2025-10-20

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