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Pyrrharctia isabella, the Isabella tiger moth, whose larval form is called the banded woolly bear, woolly bear, or woolly worm, occurs in the United States and southern Canada. [ 1 ] [ 2 ] It was first formally named by James Edward Smith in 1797.
Woolly bear may refer to: The hairy caterpillar of any of the moth subfamily Arctiinae; The hairy caterpillar of the banded woolly bear (Pyrrharctia isabella) The hairy caterpillar of the Arctic woolly bear moth (Gynaephora groenlandica) The hairy caterpillar of the spotted tussock moth (Lophocampa maculata) The larva of the varied carpet beetle
Many species have "hairy" caterpillars that are popularly known as woolly bears or woolly worms. The scientific name Arctiinae refers to this hairiness (Gk. αρκτος = a bear). Some species within the Arctiinae have the word "tussock"' in their common names because they have been misidentified as members of the Lymantriinae subfamily based ...
Gynaephora groenlandica, the Arctic woolly bear moth, is an erebid moth native to the High Arctic in the Canadian archipelago, Greenland and Wrangel Island in Russia. [2] [4] It is known for its slow rate of development, as its full caterpillar life cycle may extend up to 7 years, with moulting occurring each spring. [5]
Like the banded woolly bear, its hairs are not urticant nor venomous and do not typically cause irritation. The moth overwinters as a caterpillar, [ 3 ] often under the bark of decaying wood. [ 6 ] The caterpillar grows to be 7.6 cm (3 in) long.
The magpie moth's "woolly bear" caterpillars are around 35–38 mm when fully grown and predominantly black with lines of red down its sides and back, [1] [2] blue spots and tufts of hair on each segment.
Larvae are usually smooth in appearance, but larvae of Arctiinae (woolly bears) and Lymantriinae are hairy. Larvae of Arctiinae and Lymantriinae have fully developed prolegs, Aganainae and Herminiinae have fully developed or slightly reduced prolegs , and prolegs in some other subfamilies are reduced or absent as an adaptation to arboreal ...
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