Can a caterpillar really predict whether Iowa will have a nasty winter?

A central Iowa entomologist says there may actually be some science behind the folklore about how the thickness of a wooly bear caterpillar’s stripes can help predict the severity of the winter ahead. Ginny Mitchell, of Boone, says a fellow entomologist in New York state studied the fuzzy creatures in the 1940s. “He sampled all […]

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