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The Isabella tiger moth can be found in many cold and temperate regions. The banded woolly bear larva emerges from the egg in the fall and overwinters in its caterpillar form, by allowing most of its mass to freeze solid. First its heart stops beating, then its gut freezes, then its blood, followed by the rest of the body.
Isabella tiger moths (Pyrrharctia isabella) overwinter in the caterpillar stage. They can survive freezing at moderate subzero temperatures by producing a cryoprotectant chemical. [ 13 ] The larvae of another species, Phragmatobia fuliginosa , may be found on snow seeking a place to pupate.
The Woolly Worm Festival is an event held each October since 1978 in Banner Elk and Avery County, North Carolina. [1] The festival celebrates the supposed weather-predicting abilities of the woolly worm, also called "woolly bear" which is a caterpillar or larvae of the isabella tiger moth.
The garden tiger moth or great tiger moth [2] (Arctia caja) is a moth of the family Erebidae. Arctia caja is a northern species found in the US , Canada , and Europe . [ 3 ] [ 4 ] The moth prefers cold climates with temperate seasonality, as the larvae overwinter, [ 3 ] and preferentially chooses host plants that produce pyrrolizidine alkaloids .
The tribe was previously treated as a higher-level taxon, the subfamily Arctiinae, within the lichen and tiger moth family, Arctiidae. The ranks of the family and its subdivisions were lowered in a recent reclassification while keeping the contents of the family and its subdivisions largely unchanged.
Spilosoma virginica is a species of moth in the subfamily Arctiinae occurring in the United States and southern Canada. [3] As a caterpillar, it is known as the yellow woolly bear or yellow bear caterpillar. As an adult, it is known as the Virginian tiger moth.
Olene mendosa caterpillar Photo: Getty One of the biggest outbreaks of the Gypsy moth caterpillar took place in 1981, when the bugs made their way across the Northeastern states.
Ruby tiger moth, Phragmatobia fuliginosa; Large ruby tiger moth, Phragmatobia assimilans; Lined ruby tiger moth, Phragmatobia lineata; Isabella tiger moth, Pyrrharctia isabella; Agreeable tiger moth, Spilosoma congrua; Dubious tiger moth, Spilosoma dubia; Pink-legged tiger moth, Spilosoma latipennis; Virginia tiger moth, Spilosoma virginica