Potential for defoliation of ponderosa pine stands by pine butterfly on the Bitterroot and Lolo National Forests, Montana in 1972
By: by W.E. Bousfield and H.E. Meyer.
Contributors: Meyer, Hubert E.; United States. Forest Service. Northern Region. State & Private Forestry.
Series: Insect disease report; Report / Forest Service, Northern Region, Division of State and Private Forestry -- no. 72-9.; Report (United States. Forest Service. Northern Region) -- no. 72-9.
Publisher: USDA Forest Service, Northern Region, Division of State and Private Forestry
Published: 1972
Place of publication: Missoula, Mont
Language: eng
Subjects: Pine butterfly -- Bitterroot National Forest (Mont. and Idaho); Pine butterfly -- Montana -- Lolo National Forest.; Ponderosa pine -- Diseases and pests -- Bitterroot National Forest (Mont. and Idaho); Ponderosa pine -- Diseases and pests -- Montana -- Lolo National Forest.; Defoliation -- Bitterroot National Forest (Mont. and Idaho); Defoliation -- Montana -- Lolo National Forest.
Notes: Caption title.

"March 1972."

Also issued online.