APPENDIX A PEST AND DISEASE PHOTO CHART

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1 APPENDIX A PEST AND DISEASE PHOTO CHART This photographic appendix is designed to ease identification of disease and insect pest problems. Two photographs are provided for each pest, which are grouped according to the type of damage they represent. The first photograph is an overall view of the damage and/or symptoms, while the second photograph is a close-up of the pest problem or the actual pest causing the symptoms. The first column, Name of Pest, states what the problem is. The second column, Trees Susceptible, indicates which trees are hosts for the particular pest. The page number of the appropriate pest fact sheet is provided in the third column. APPENDIX A... APPENDIX A

2 Pest and Disease Photo Chart NEEDLE DISCOLORATION AND INJURY Bagworm Douglas-fir, fir, pine, spruce 23 Cyclaneusma needle cast Pine 34 C. THOMAS, Balsam twig aphid Fir 26 USDA FOREST SERVICE Cooley spruce gall adelgid Douglas-fir 29 (on Douglas-fir) Douglas-fir needle midge Douglas-fir 37 Cryptomeria scale Douglas-fir, fir, pine, spruce 31 Elongate hemlock scale Douglas-fir, fir, pine, spruce 39 PEST AND DISEASE PHOTO CHART

3 NEEDLE DISCOLORATION AND INJURY (continued) Eriophyid rust and sheath mites Pine, fir, spruce 42 Introduced pine sawfly Pine 53 European pine sawfly Pine 53 J. H. GHENT, USDA FOREST SERVICE J. H. GHENT, USDA FOREST SERVICE Lophodermium needle cast Pine 48 S. KATOVICH, USDA FOREST SERVICE E. L. BARNARD, FLORIDA DEPARTMENT OF AGRICULTURE AND CONSUMER SERVICES Gypsy moth Douglas-fir, fir, pine, spruce 45 Pine needle scale Douglas-fir, fir, pine, spruce 51 B. SCHILDT, C. THOMAS, Ploioderma needle cast Pine 56 APPENDIX A

4 Red-band (Dothistroma) needle blight Pine 58 Spruce needle rust Spruce 65 Redheaded pine sawfly Pine 53 Spruce spider mite Douglas-fir, fir, pine, spruce 67 E. R. DAY, VIRGINIA TECH Rhabdocline needle cast Douglas-fir 60 Swiss needle cast Douglas-fir 70 Rhizosphaera needle cast Spruce 63 USDA FOREST SERVICE PEST AND DISEASE PHOTO CHART

5 SHOOT AND BRANCH INJURY Atropellis canker Pine 73 Cooley spruce gall adelgid (on Colorado blue spruce) Spruce 80 C. THOMAS, Balsam woolly adelgid Fir 75 Diplodia (Sphaeropsis) tip blight Douglas-fir, pine, spruce 82 USDA FOREST SERVICE Botrytis blight Douglas-fir, fir, pine, spruce 78 Eastern pine weevil Douglas-fir, pine, spruce 84 W. JOHNSON, USDA FOREST SERVICE APPENDIX A

6 Eastern spruce gall adelgid Spruce 86 Pine shoot beetle Pine 94 Gall rusts Pine 88 Striped pine scale Pine 97 Pales weevil Douglas-fir, pine, spruce 90 B. SCHILDT, White pine blister rust Pine 99 Pine bark adelgid Pine 92 White pine weevil Douglas-fir, fir, pine, spruce 101 B. SCHILDT, S. KATOVICH, USDA FOREST SERVICE PEST AND DISEASE PHOTO CHART

7 STEM AND ROOT INJURY/TREE MORTALITY Armillaria root rot Douglas-fir, fir, pine, spruce 107 Phytophthora root rot Fir, pine, spruce 111 D. POWELL, USDA FOREST SERVICE J. O BRIEN, USDA FOREST SERVICE Bark and engraver beetles Pine 109 Pine root collar weevil Pine 113 J. STIMMEL, J. B. HANSON, USDA FOREST SERVICE Japanese beetle Douglas-fir, pine, spruce 118 Pine wilt disease Pine 116 L. D. DWINELL, USDA FOREST SERVICE A. S. MUNSON, USDA FOREST SERVICE APPENDIX A

8 White grubs Douglas-fir, fir, pine, spruce 118 Zimmerman pine moth Pine, spruce 120 W. CRANSHAW, COLORADO STATE UNIVERSITY S. KATOVICH, USDA FOREST SERVICE W. CRANSHAW, COLORADO STATE UNIVERSITY J. STIMMEL, OTHER TYPES OF DAMAGE TO CONIFERS Air pollution (environmental damage) Douglas-fir, fir, pine, spruce 124 Drought (environmental damage) Douglas-fir, fir, pine, spruce 124 R. L. ANDERSON, USDA FOREST SERVICE MINNESOTA DEPARTMENT OF NATURAL RESOURCES MINNESOTA DEPARTMENT OF NATURAL RESOURCES W. M. BROWN JR. Chemical damage Douglas-fir, fir, pine, spruce 123 Frost injury (environmental damage) Douglas-fir, fir, pine, spruce 125 R. BATES, PENN STATE R. BATES, PENN STATE R. BATES, PENN STATE PEST AND DISEASE PHOTO CHART

9 OTHER TYPES OF DAMAGE TO CONIFERS (continued) Heat (environmental damage) Douglas-fir, fir, pine, spruce 124 Vertebrate pests Douglas-fir, fir, pine, spruce 128 C. THOMAS, USDA FOREST SERVICE NORTH CENTRAL RESEARCH STATION R. BATES, PENN STATE Mechanical damage Douglas-fir, fir, pine, spruce 126 Winter injury (environmental damage) Douglas-fir, fir, pine, spruce 125 E. G. VALLERY, USDA FOREST SERVICE Sunscald (environmental damage) Douglas-fir, fir 124 USDA FOREST SERVICE OGDEN S. K. HAGLE, USDA FOREST SERVICE APPENDIX A

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