Many variables may contribute to changes in the caterpillar’s coloration, including larval stage, food availability, the temperature or moisture during their development, age, and even species. And search more of iStocks library of royalty-free stock images that features Animal photos available for quick. Woolly bears are the caterpillar form of the Isabella tiger moths (Pyrrharctia isabella). However, today’s entomologists say no one has been able to replicate the study.Ĭurrent insect experts agree that woolly bear caterpillars are not accurate predictors of winter weather. Download this Wooly Caterpillar photo now. His studies showed that the woolly bear caterpillars had an 80 percent accuracy rate.
Curran, former curator of insects at the American Museum of Natural History in New York City, surveyed the bugs back in the 1950s. There has actually been some research pertaining to this old wives’ tale. Dr. If there is a lot of brown, the winter will be mild If there is only a narrow strip of brown on their backs, expect a harsh winter. The old tale goes like this: the thickness of the brown stripe on the caterpillar will tell you how harsh the upcoming winter will be. One of the most widespread tales pertains to the big furry coat of the woolly bear caterpillar.
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