sohkamyung, Cool.
"Recently, micro-CT scans of the egg case revealed not only that it was millions of years old, but also that it was most likely made by a grasshopper. [...] This newly documented knowledge paints a clearer picture of that ancient ecosystem, confirming that grasshoppers were present and thriving there — and that some types of grasshoppers were burying their eggs underground."
https://edition.cnn.com/2024/01/16/world/fossil-grasshopper-nest-eggs-scn/index.html