Any of several clumsy, wingless beetles of the genus
assassin bug, bed bug, boat bug, bug, bug eyed, bug out, carpet bug, chinch bug, cone-nosed bug, conenose bug, coreid bug, croton bug, four-lined leaf bug, four-lined plant bug, giant water bug, june bug, kissing bug, lace bug, leaf bug, leaf-foot bug, leaf-footed bug, lightning bug, lygaeid bug, lygus bug, may bug, mealy bug, millennium bug, mirid bug, pill bug, plant bug, potato bug, rose bug, sea bug, sow bug, squash bug, tarnished plant bug, true bug, water bug, wheel bug, year 2000 bug