Some, such as the extinct Rocky Mountain Locust, can devour crops and are considered agricultural pests, while others, such as Turnbull's Grasshopper may be considered "beneficial".

• Red-legged Grasshopper

• Carolina Grasshopper

• Snowy Tree Cricket

• Black-legged Meadow Katydid

• Greater Angle-wing Katydid
  • lisping:
  • ticking:

Crickets and katydids sing by stridulation.