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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]
Woolly bear caterpillars overwinter as caterpillars and grow to be isabella tiger moths. They use plant debris as makeshift hibernacula, to protect themselves from extreme elements. [ 6 ] Some butterflies, like the white admiral butterfly also only mature halfway as a caterpillar before hibernating for the winter. [ 11 ]
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.
Want to know how bad this winter might be? You could look at the latest forecast. Or you could turn to the woolly bear caterpillar. Here's what to know.
The woolly bear — a species of caterpillar, also called the woolly worm — famously is thought to forecast the severity of the impending winter with its colored bands.
Keep an eye out for woolly bear caterpillars the next few weeks. They could predict this winter's weather. See what Bill Reid's says about Conn.
Yellow bear on milkweed. It has a diet of a wide range of low-growing plants, including ground cover like grass and clover. The larvae are defoliators, skeletonizing the leaves they feed on, but only the late summer batch of caterpillars is plentiful enough to do much damage to crops.
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 ...