Grasshopper Characteristics. Grasshoppers are medium to large insects. Adult length is 1 to 7 centimetres, depending on the species. Like their relatives the 'katydids' and 'crickets', they have chewing mouthparts, two pairs of wings, one narrow and tough, the other wide and flexible, and long hind legs for jumping.Grasshoppers are insects of the suborder Caelifera within the order Orthoptera, which includes ..... A single season of drought is not normally sufficient to stimulate a massive population increase, but several successive dry seasons can do so
