potato bug noun5 •Any of various insects that feed on or harm potato plants. •A striped blister beetle or old-fashioned potato bug (Epicauta vittata).We have another potato bug, the “blister beetle,” also called the “old-fashioned potato bug,” which happened to be especially bad this year in the northwest corner of the state. — 1919 •A Colorado beetle or Colorado potato bug (Leptinotarsa decemlineata).They predicted that the “new” potato bug would soon endanger potato growers in the Eastern United States and Canada — 1995 •A woodlouse, any of various terrestrial crustaceans of suborder Oniscidea. •A Jerusalem cricket, any of various insects of the genus Stenopelmatus. formspotato bugs
