The Largest Insect Ever Existed Was a Giant 'Dragonfly' called Meganeuropsis Permiana, which lived during the late Permian era, ca 275 million years ago. It had a wingspan close to 30 in and estimated weight of 1 pound, size and weight of a crow ~Ancient wonders of Archaeology
https://nitter.moomoo.me/surimana16/status/1686932726216007680#m