colorado beetle Meaning, Definition & Usage

  1. noun black-and-yellow beetle that feeds in adult and larval stages on potato leaves; originally of eastern Rocky Mountains; now worldwide
    potato bug; potato beetle; Leptinotarsa decemlineata; Colorado potato beetle.

WordNet

Col`o*ra"do bee"tle
Definitions
  1. (Zoöl.) 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.

Webster 1913