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Throughout most of its range, the western spruce budworm completes one cycle of development from egg to adult within 12 months. Moths emerge from pupal cases usually in late July or early August; in the southern Rockies, adults often begin emerging in early July. The adults mate, and within 7 to 10 days, the female deposits her eggs and then dies.
Choristoneura is a genus of moths in the family Tortricidae. ... 2008, western spruce budworm; Choristoneura fumiferana (Clemens, 1865), eastern spruce budworm;
Long-distance migration of the spruce budworm does occur as they can disperse across distances ranging from 20 to 450 km. In northern Minnesota, spruce budworm moths emigrate to the east lakeshore of Lake Superior in Ontario, Canada, because of seasonal changes. Dispersal is influenced heavily by temperature as low temperatures can slow down ...
Choristoneura orae, the spruce budworm, is a moth of the family Tortricidae. It is found in North America. Caterpillar Pupa Damage. The wingspan is about 24 mm.
Choristoneura occidentalis. Archips occidentalis [or Choristoneura occidentalis in some schemes] is a species of moth of the family Tortricidae.It is found in the Gambia, and possibly more broadly, such as Democratic Republic of Congo, Tanzania, and South Africa.
The spruce bud moth is named for its host plant and main habitat, the white spruce. The moth, transcontinental in range, is found most frequently on white spruce and only occasionally on other spruces and firs. [3] The larvae of the spruce bud moth hatch in the buds of white spruce trees. Much of its development, adult life, ovipositing and ...
3638 – Choristoneura fumiferana, spruce budworm moth; 3639 – Choristoneura retiniana; 3640 – Choristoneura occidentalis, western spruce budworm moth; 3640.97 – Choristoneura occidentalis complex, western spruce budworm complex; 3641 – Choristoneura biennis, two-year-cycle budworm moth; 3642 – Choristoneura orae
Choristoneura biennis, the two-year-cycle budworm moth, is a species of moth of the family Tortricidae. It is found in Canada, where it has been recorded from Alberta and British Columbia. [2] The wingspan is about 26 mm. Adults have been recorded on wing in July. The larvae feed on Abies lasiocarpa, Picea engelmanni and Picea glauca. [3] [4]