25 most spectacular and beautiful Beetle Species

21. Colorado Potato Beetles
Colorado potato beetle eating potato leaves
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The brilliant orange-yellow hue and decorative stripes and spots of the Colorado potato beetle (Leptinotarsa decemlineata) belie its status as one of the most notorious pests of the potato plant. Over the past century, farmers have trialed all sorts of pesticides to combat the beetles' voracious appetites, but due to their ability to rapidly build up resistance to chemicals, nearly all major insecticides have proven ineffective against them.3