It is one of only six butterfly species found on the Canadian Ellesmere Island.
The type species, Ellesmeroceras scheii, named by Foeste, 1921, was first found on Ellesmere Island in the Canadian arctic, from whence the genus gets its name.
The Natural History Unit of the BBC filmed arctic woolly bear moths in their natural habitat on Ellesmere Island during June 2009.
The film is an adaptation of Robert Mason Lee's non-fiction book Death and Deliverance which is based on the 1991 plane crash of a Canadian Forces CC-130 Hercules (a part of Operation Boxtop 22) en route to CFS Alert on Ellesmere Island with 18 crew and passengers on board.
For example, at the military and weather station Alert located at 82°30′05″N and 62°20′20″W, on the northern tip of Ellesmere Island, Canada (about 450 nautical miles or 830 km from the North Pole), the sun begins to peek above the horizon for minutes per day at the end of February and each day it climbs higher and stays up longer; by 21 March, the sun is up for over 12 hours.
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E. praenuntius occurs on the eastern Ellesmere Island, Canada, in what possibly belongs to the Lower Olenellus-zone (430 feet above the basis of the Kane Formation, 6 miles Northwest of the head of Scoresby Bay).
One of the duties of the U.S. Army Signal Corps at the time was the management of the Weather Service and Hazen criticized the government's lack of response to the distress of the International Polar Year expedition to Fort Conger, Lady Franklin Bay (on Ellesmere Island, Canada).