A program for evaluating the economic effectiveness of spruce budworm control with a programable hand-held calculator.

Spruce budworms handbook : predators of the spruce budworm.
Published: (1985)

Spruce budworms handbook : how to distinguish between old and new egg masses of the western spruce budworm.
Published: (1984)

The Western Spruce budworm model : structure and content /
Published: (1989)

Western spruce budworm in Idaho and Montana, 1976 : status, impacts, and control alternatives for western spruce budworm in Idaho & Montana.
Published: (1976)

Spruce budworms handbook : management guidelines for increasing populations of birds that feed on western spruce budworm.
Published: (1986)

Spruce budworms handbook : insecticides for control of the spruce budworm.
Published: (1984)

The spruce budworm : a pest of Alaska white spruce.
by: Holsten, Edward H.
Published: (1980)

Determining stand susceptibility to western spruce budworm and potential damaging effects /
by: Bulaon, Beverly
Published: (2006)

Spruce budworms handbook : managing the spruce budworm in eastern North America /
by: Schmitt, Daniel M.
Published: (1984)

Sexing spruce budworm pupae /
by: Jennings, Daniel T.
Published: (1978)

Rearing the western spruce budworm /
by: Robertson, Jacqueline L.
Published: (1979)

Monitoring spruce budworm populations with pheromone-baited traps /
Published: (1985)

Spruce budworms handbook : regional evaluation of B.t. for spruce budworm control.
Published: (1983)

Spruce budworms handbook : silvicultural strategies to reduce stand and forest susceptibility to the western spruce budworm.
Published: (1989)

Locating western spruce budworm egg masses with ultraviolet light /
by: Acciavatti, Robert E.
Published: (1976)

A method for sampling western spruce budworm pupae /
Published: (1981)

Spruce budworm in the eastern United States /
by: Kucera, Daniel R.
Published: (1980)

The spruce budworm on Michigan pine.
by: Graham, Samuel A. (Samuel Alexander), 1891-1967
Published: (1935)

Spruce budworms handbook : ground-spray techniques to reduce damage from western spruce budworm.
by: Stipe, Lawrence E.
Published: (1984)

Spruce budworms handbook : techniques for measuring early-larval dispersal of spruce and jack pine budworms.
Published: (1984)

Draft environmental impact statement for managing western spruce budworm in Oregon and Washington /
Published: (1988)

Spruce budworms handbook : sampling procedures for spruce budworm egg-mass surveys (with reference to the Lake States).
Published: (1985)

Spruce budworm defoliation in Minnesota, 1954-1977 /
by: Erickson, Glen
Published: (1978)

Spruce budworms situation in North America, 1982.
Published: (1983)

The Dynamics of epidemic spruce budworm populations /
Published: (1963)

Mortality of spruce and fir in Maine in 1976-78 due to the spruce budworm outbreak /
by: Seegrist, Donald W.
Published: (1982)

Summary of draft environmental impact statement for managing western spruce budworm in Oregon and Washington /
Published: (1988)

Efficacy of Orthene for spruce budworm control in Maine, 1975 /
by: Dimond, John B.
Published: (1976)

Spruce budworms handbook : Lepidoptera associated with western spruce budworm.
Published: (1984)

Western spruce budworm /
by: Fellin, David G.
Published: (1982)

Western spruce budworm in the interior West.
Published: (2007)

Man in competition with the spruce budworm : an application of differential equations /
by: Tuchinsky, Philip M.
Published: (1981)

Proceedings of a Symposium on the Spruce Budworm, November 11-14, 1974, Alexandria, Virginia.
Published: (1976)

Spruce budworms handbook : guidelines for the operational use of Bacillus thuringiensis against the spruce budworm.
Published: (1984)

Relationships of birds and spruce budworms : literature review and annotated bibliography /
by: Crawford, Hewlette S., 1931-
Published: (1982)

The western spruce budworm dynamics model : version 3.1 update and notes on behavior /
by: Crookston, Nicholas L.
Published: (1991)