From Bugwoodwiki

Field Guide to Diseases and Insect Pests of Idaho and Montana Forests

Susan K. Hagle – Plant Pathologist,

Scott Tunnock – Entomologist (retired),

Kenneth E. Gibson – Entomologist, and

Carma J. Gilligan – Biological Technician.

U.S. Department of Agriculture, Forest Service, State and Private Forestry, Northern Region, P.O. Box 7669, Missoula, Montana 59807. 1987. Reprint 1990. Publication Number R1-89-54.

Abstract

Field guide contains descriptions and color photographs of diseases and insect pests common in conifer forests of Idaho and Montana. Diagnostic keys, comparative tables, line drawings, and an index by host aid in the identification of damaging agents; 138 color illustrations, 10 line drawings.

Keywords

forest diseases, forest insects, weather injury.