grasshopper 1 grasshopper 2 what we have here is polish modelboy wojciech fryczewski snaphattin' with one of the grasshoppers we encountered the other day. by rubbing their hind legs against their forewings, the two front wings of a four-winged insect, grasshoppers stridulate to make a shrill sound. so in other words, the special pegs on the inside of their hind legs act as a percussion instrument of sorts, so when they come in contact with the thickened edge of the wings, the summer songs are serenaded