![Fossil butterfly present in geological strata 3.5 million years in the past seems to be a brand new species Gunma | NHK Fossil butterfly present in geological strata 3.5 million years in the past seems to be a brand new species Gunma | NHK](https://www3.nhk.or.jp/news/html/20231022/K10014233131_2310211958_1021204109_01_02.jpg)
A fossil butterfly present in a 3.5 million-year-old geological formation in Gunma Prefecture has been recognized as a brand new species based mostly on the traits of its wings and antennae. It is extraordinarily uncommon for a butterfly with a gentle physique construction to stay as a fossil, and it’s attracting consideration as a invaluable materials when contemplating the evolution of butterflies.