Woolly bear (Zoöl.), the hairy larva of several species of bombycid
moths. The most common species in the United States are the salt-marsh
caterpillar (see under Salt), the black and red woolly bear, or larva
of the Isabella moth (see Illust., under Isabella Moth), and the yellow
woolly bear, or larva of the American ermine moth (Spilosoma
Virginica). — Woolly butt (Bot.), an Australian tree (Eucalyptus
longifolia), so named because of its fibrous bark. — Woolly louse
(Zoöl.), a plant louse (Schizoneura, or Erisoma, lanigera) which is
often very injurious to the apple tree. It is covered with a dense coat
of white filaments somewhat resembling fine wool or cotton. In exists
in two forms, one of which infests the roots, the other the branches.
See Illust. under Blight. — Woolly macaco (Zoöl.), the mongoose lemur.
— Woolly maki (Zoöl.), a long-tailed lemur (Indris laniger) native of
Madagascar, having fur somewhat like wool; — called also avahi, and
woolly lemur. — Woolly monkey (Zoöl.), any South American monkey of the
genus Lagothrix, as the caparro. — Woolly rhinoceros (Paleon.), an
extinct rhinoceros (Rhinoceros tichorhinus) which inhabited the arctic
regions, and was covered with a dense coat of woolly hair. It has been
found frozen in the ice of Siberia, with the flesh and hair well
preserved.