Difference between Grasshopper and Katydid

What is the difference between Grasshopper and Katydid?

Grasshopper as a noun is a herbivorous insect of the order orthoptera noted for its ability to jump long distances. while Katydid as a noun is a type of grasshopper, scientific name tettigoniidae.

We hope you now know whether to use Grasshopper or Katydid in your sentence.