Colorado beetle

from WordNet (r) 3.0 (2006)

Colorado beetle
    n 1: black-and-yellow beetle that feeds in adult and larval
         stages on potato leaves; originally of eastern Rocky
         Mountains; now worldwide [syn: {Colorado potato beetle},
         {Colorado beetle}, {potato bug}, {potato beetle},
         {Leptinotarsa decemlineata}]

from The Collaborative International Dictionary of English v.0.48

Colorado beetle \Col`o*ra"do bee"tle\ (Zool.)
   A yellowish beetle ({Doryphora decemlineata}), with ten
   longitudinal, black, dorsal stripes. It has migrated
   eastwards from its original habitat in Colorado, and is very
   destructive to the potato plant; -- called also {potato
   beetle} and {potato bug}. See {Potato beetle}.
   [1913 Webster]