The term American Grasshopper is a common name for the KATYDID, which is an insect belonging to the family Tettigoniidae. It is a large, long-horned grasshopper with a green or brown body and long antennae. Katydids are found in North America, Central America, and South America, and they feed on leaves, flowers, and fruits. They are also known for their loud, distinctive calls, which can be heard during the summer months.