Scudder's Short-wing Grasshopper 
Sedulia specularia 
Short-winged Conehead 
Short-winged Green Grasshopper 
Short-winged meadow katydid 
Short-winged Mole Cricket 
Short-winged Rice Grasshopper 
Showy Plump Bush-Cricket 
Sickle-bearing Bush Cricket 
Sigaus australis 
Slender Green-winged Grasshopper 
Slender Groundhopper 
Slender meadow katydid 
Small Plague Grasshopper 
Soldier Grasshopper 
South American Locust 
Southeastern bush katydid 
Southern Oak Bush-Cricket 
Southern Tetrix 
Speckled bush-cricket 
Sphingonotus lluciapomaresi 
Spider Face Leaf-rolling Cricket 
Spiny Devil Katydid 
Spotted katydid