When did insects first appear on earth?
Insects are the most successful of all animal group, making up of the whole animal kingdom. There are about 10.000 in-sects living on every sq. metre of the earth’s surface.
Insects first appeared on earth about 370 million years ago. Early species had no wings; they fed on the sap and spores of the newly evolved land plants. Insects were the first creatures to conquer the air, 150 million years 43r before birds flew. Early dragonfly lived 300 million years ago in the steamy Carboniferous forests with the ancestors of the dinosaurs.