Field comparison of spruce budworm pheromone lures
By: David G. Grimble.
Series: Research note NE -- 339.
Publisher: United States Dept. of Agriculture Forest Service, Northeastern Forest Experiment Station
Published: 1987
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Pheromones.; Spruce budworm -- Control.
Notes: Caption title.

"December 1987." - p. 4.

Literature cited: p. 4.