migratory grasshopper: serious pest of grain-growing and range areas of central and western United States
locust: migratory grasshoppers of warm regions having short antennae
stamp act: an act passed by the British Parliament in 1756 that raised revenue from the American Colonies by a duty in the form of a stamp required on all newspapers and legal or commercial documents; opposition by the Colonies resulted in the repeal of the act in 1766