or pota·to bug
Origin of potatobug
An Americanism dating back to 1790–1800
Also called potato beetle.
Colorado potato beetle
a black and yellow leaf beetle, Leptinotarsa decemlineata, originally of Colorado and neighboring states but now a common pest in all potato-growing regions of the U.S.
Origin of Colorado potato beetle
An Americanism dating back to 1865–70
Also called Colorado beetle, potato beetle, potatobug.
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012