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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]
The female is slightly larger than the male in larva form, and as an adult finds a mate by extruding an organ that emits a pheromone which the male can smell. The male, which unlike the female has the large, feathered antennae characteristic of pheromone-using moths, flies zigzag search patterns, eventually homing in on a female.
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 ...
Polar bear on Wrangel Island. Wrangel Island is a breeding ground for polar bears—having the highest density of dens in the world—bearded and ringed seals, walrus, as well as collared and west and east Siberian lemmings, a major food source for terrestrial carnivores, namely the Arctic foxes, wolverines and wolves which also inhabit the island.
The family Anthelidae comprise the "Australian woolly bears" and are found only in Australia and New Guinea. This list consists of the species found in Australia. It is an index to the species articles and forms part of the full List of moths of Australia.