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Choristoneura fumiferana, the eastern spruce budworm, is a species of moth of the family Tortricidae native to the eastern United States and Canada. The caterpillars feed on the needles of spruce and fir trees. Eastern spruce budworm populations can experience significant oscillations, with large outbreaks sometimes resulting in wide scale tree ...
Western spruce budworm caterpillar, sixth (final) instar Adult moths are about 1 / 2 inch (12.7 mm) long and have a wing-spread of 7 / 8 to 1 1 / 8 inches (22 to 28mm). Moths of both sexes are similar in appearance, although the females are a bit more robust than males.
Choristoneura freemani Razowski, 2008, western spruce budworm; Choristoneura fumiferana (Clemens, 1865), eastern spruce budworm; Choristoneura griseicoma (Meyrick, 1924) Choristoneura hebenstreitella (Muller, 1764), mountain-ash tortricid; Choristoneura heliaspis (Meyrick, 1909) Choristoneura improvisana (Kuznetsov, 1973)
Carroll Burns Williams Jr. (September 24, 1929 – March 1, 2024) was an American research forester and entomologist. He was the first African American scientist hired by the United States Forest Service and the first African American to receive a Ph.D. in forestry and entomology.
The Tortricidae are a family of moths, commonly known as tortrix moths or leafroller moths, [1] in the order Lepidoptera.This large family has over 11,000 species described, and is the sole member of the superfamily Tortricoidea, although the genus Heliocosma is sometimes placed within this superfamily.
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.
Research is being done on the use of Trichogramma wasps to control populations of spruce bud moth (Zeiraphera canadensis), which damages white spruce trees. [24] Trichogramma began to be seriously used in the 1990s in China. Since then some applications have fallen out of use due to the rise of Bt crops because Bt is also toxic to the parasitoid.
Dioryctria reniculelloides, the spruce coneworm, is a moth of the family Pyralidae. The species was first described by Akira Mutuura and Eugene G. Munroe in 1973. [ 1 ] [ 2 ] [ 3 ] It is found from Nova Scotia to Alaska , south in the east to New York , and south in the west to California and New Mexico . [ 4 ]