Field Guide to Diseases and Insect Pests of Northern and Central Rocky Mountain Conifers
U.S. Department of Agriculture, Forest Service, State and Private Forestry, Northern Region, 2003 - Conifers - 197 pages
Field guide contains descriptions and color photographs of diseases, insect pests, animal and abiotic damages common on forest conifers in the northern and central Rocky Mountains. Diagnostic keys, comparative tables, line drawings, and indices by host and subject aid in the identification of damaging agents. Book is organized in color coded sections according to the part of the tree affected. General references and a glossary of technical terms are provided. 320 illustrations, 11 tables.
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Key to Diseases Insect Pests and Other Common Damages of Forest Conifers
Pini or Red Ring Rot
15 other sections not shown
adelgid Adults aphids Armillaria attack bark beetles blister rust blue stain boring dust buds butt rot cambium cause colored Comandra cone conifers conks dead decay defoliation discolored Disease Leaflet Distribution Douglas-fir dwarf mistletoe egg gallery Engelmann spruce engraver beetle Figure foliage Forest Insect fruiting bodies fungi fungus gallery pattern girdle grand fir gray growth heartrot heartwood Idaho Identification inch long injury Insect and Disease Jeffrey pine juniper killed Laminated root rot larch needle larvae larvae feed lodgepole pine Montana moth mountain pine beetle mycelium needle blight needle diseases pathogens phloem pine shoot pini pinicola pinon pitch mass pitch tubes pockets ponderosa pine produced Range of hosts red-brown References resinous Rhabdocline root and butt sapwood sawfly schweinitzii Similar damages species spores sporulating spring stem cankers subalpine fir tomentosus true firs twig USDA Forest Service usually weirii western hemlock western larch Western pine western redcedar white pine witches brooms yellow