Operophtera bruceata
Encyclopedia
The Bruce Spanworm or (in North America
) "Winter Moth
" is a species of moth
of the Geometridae family. It is found from coast to coast in southern Canada
and the northern parts of the United States
.
The wingspan
of the males is 25–30 mm. Females have underdeveloped wings and do not fly. Adults are on wing from October to December.
The larvae primarily feed on the leaves of Sugar Maple, American Beech and Trembling Aspen. They have also been recorded on willow and various other deciduous trees.
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
) "Winter Moth
Winter Moth
The Winter Moth is a moth of the family Geometridae. It is an abundant species of Europe and the Near East and one of very few Lepidoptera of temperate regions in which the adults are active in the depth of winter....
" is a species of moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Geometridae family. It is found from coast to coast in southern Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
and the northern parts of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
of the males is 25–30 mm. Females have underdeveloped wings and do not fly. Adults are on wing from October to December.
The larvae primarily feed on the leaves of Sugar Maple, American Beech and Trembling Aspen. They have also been recorded on willow and various other deciduous trees.