Melanoplus femurrubrum, commonly known as the red-legged grasshopper, is a species of insect belonging to the family Acrididae. It is characterized by its vibrant red hind legs, which contrast with its green or brown body coloration. This grasshopper species is found throughout North America and is known for its ability to jump long distances. It feeds on a variety of grasses and is an important component of grassland ecosystems.