where did the colorado potato beetle come from
It is native to America.
Colorado potato beetle
Native to America, it spread rapidly in potato crops across America and then Europe from 1859 onwards.
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Colorado potato beetle [SEP] Introduction
The Colorado potato beetle ("Leptinotarsa decemlineata"), also known as the Colorado beetle, the ten-striped spearman, the ten-lined potato beetle, or the potato bug, is a major pest of potato crops. It is about long, with a bright yellow/orange body and five bold brown stripes along the length of each of its elytra. Native to America, it spread rapidly in potato crops across America and then Europe from 1859 onwards.