Insect ancestors go way back at least 400 million years ago, according to Texac A&M AgriLife Extension Office insect specialist Wizzie Brown.
According to the expert, an extinct group of prehistoric, dragonfly-like bugs called Meganeura were flying around back then, similar to dragonflies today except for the fact that they were enormous – at least a 2 foot wingspan.
She also believes giant scorpions roamed around on both land and water and at 8 feet long and carnivorous, aren’t you glad they aren’t around anymore? Read more at http://www.texasstandard.org/stories/insect-ancestors-go-way-back-and-they-were-huge/