Genus Locusta is a scientific term that refers to the common grasshopper. However, there are several synonyms that are used interchangeably with this term. These include the word "short-horned grasshopper," which refers to the short antennae that are characteristic of this insect. Another synonym is "acridid," which is derived from the Latin word "acrida," meaning locust or grasshopper. The term "Orthoptera" is also used to describe this order of insects, which includes grasshoppers, crickets, and katydids. Lastly, the term "Caelifera" is used to describe the suborder of Orthoptera that includes all grasshoppers. These synonyms are useful when discussing different species of grasshoppers and their behavior, habitat, and ecology.