Euchorthippus declivus, the "sharp-tailed grasshopper," is a species of short-horned grasshoppers belonging to the family Acrididae, subfamily Gomphocerinae. This very common and numerous species is present in most of Europe. The adult males grow up to 14–20 millimetres (0.55–0.79 in) long, while the females reach 20–27 millimetres (0.79–1.06 in) of length. They can be encountered from July through October feeding on grasses, usually in dry meadows and in arid and sunny environments.