This common name refers to only one family.
These are pretty much always called Grasshoppers.
Grasshoppers are the most exciting terrestrial (Terrestrial: Insects which live on land and are fed on by trout only when they incidentally fall into the water are known as "terrestrials" to fly anglers, and they're very important in late summer.) insects for the trout angler. Sometimes on hot summer days large trout lie along the banks waiting for them.