The antennae of the grasshopper are known to be remarkably long and can often be longer than the grasshopper's body, although the grasshopper's antennae and the grasshopper's body are normally about the same size.Grasshoppers use their long antennae in order to make sense of their surroundings.here are 11,000 thousand known species of grasshopper on Earth, that live in grassy areas such as fields and meadows and forest and woodland. Like all insects, all species of grasshopper have a three-part body that is made up of the grasshopper's head, it's thorax and the abdomen.