The orange bands signify milder winter weeks, while the black bands indicate the weeks of severe winter. Some forecasters also say that the woolly caterpillar’s body, segmented into 13 sections, represents 13 weeks of winter. The wider the brown section is on its body, the milder the forthcoming winter will be. The legend goes that longer black bands on the woolly bear’s body depict a whiter and chiller winter coming up, In warmer climates, however, the caterpillar will feed for a couple of weeks after hatching before pupating. In colder temperatures, the larva freezes solid throughout winter before breaking out and pupating. The lifespan of the moth is relatively short, as it dies shortly after mating and laying eggs. There are typically two generations of woolly worms in a year, once in spring and once in summer.Īfter hatching from the egg, the larva feeds for a few days before pupating and hatching as a tiger moth. The woolly bear caterpillar is a common worm found across the US, Canada, and Mexico. In this article, we explain this legend, its origins, the truth behind it, what science says, and a lot more. Similarly, the wider brown band represents a mild winter. The legend goes that the longer the black bands, the more severe and long winter will be. Woolly bears have black bands on both ends of their body and a reddish-brown color in the middle. The colors of these fuzzy-looking creatures are said to be predictors of the upcoming winter.
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