Colorado Potato Beetle 22 June 2013 Colorado Potato Beetle. The Colorado potato beetle (Leptinotarsa decemlineata), also known the potato bug, is a pest of potato crops. This potato bug appears every year and can seriously damage a potato crop if not controlled. My method of control is to pick and squash, but I have only 60 plants, and must patrol the bed several times daily. Large growers must use chemicals.Seldom is any grower immune from the potato bug.One fecund adult can lay up to 800 eggs during the season.

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