During which period did insects evolve?

1 Answer

he oldest definitive insect fossil, Rhyniognatha hirsti, is estimated to be 407 to 396 million years old.

Explanation:

  1. The insects are evolved from a group of crustaceans. First insects were land bound. About 400 million years ago in the Devonian period one lineage of insects evolved flight, the first animals to do so.
  2. The oldest definitive insect fossil, Rhyniognatha hirsti, is estimated to be 407 to 396 million years old.