Katydids had the earliest known insect ears 160 million years ago
Fossils of the insect’s ears from the Jurassic Period look identical to today’s
![A close up photo of a fossilized male katydid](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/12/121222_eg_oldest-insect-ears_feat.jpg?fit=1030%2C580&ssl=1)
This fossilized male katydid from China is one of 24 well-preserved specimens that reveal the earliest known insect ears, dating from around 160 million years ago.
Bo Wang