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Forest Insect and Disease Conditions in the United States 2003

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Forest Insect and Disease Conditions in the United States 2003 United States Department Forest Insect and of Agriculture Forest Service Disease Conditions Forest Health Protection in the United States August 2004 2003 Healthy Forests Make A World of Difference United States Department of Agriculture Forest Insect and Forest Service Disease Conditions Forest Health Protection in the United States August 2004 2003 PREFACE This is the 53rd annual report prepared by the U.S. • seed orchard insects and diseases; Department of Agriculture Forest Service (USDA • nursery insects and diseases; and Forest Service) of the insect and disease conditions of • abiotic damage. the Nation's forests. This report responds to direction in the Cooperative Forestry Assistance Act of 1978, as These categories are listed in the table of contents; amended, to conduct surveys and report annually on there is no index. insect and disease conditions of major national significance. Insect and disease conditions of local The information in this report is provided by the Forest importance are reported in regional and State reports. Health Protection Program of the USDA Forest Service. This program serves all Federal lands, The report describes the extent and nature of insect- including the National Forest System and the lands and disease-caused damage of national significance in administered by the Departments of Defense and the 2003. The first section of this report highlights Interior. Service is also provided to tribal lands. The emerging insect and disease issues. This is a new program provides assistance to private landowners section added in 2003. Regional and temporal trends in through the State foresters. A key part of the program selected insect and disease conditions are highlighted is detecting and reporting insect and disease epidemics in the second section of the report. Distribution maps and the effects of wind, air pollution, floods, droughts, are provided for some pests. Graphs depict acreage and other agents. Detection surveys are conducted on trends over the last several years for some pests. a regular basis by State and USDA Forest Service Tables show acreages affected for selected pests by program specialists. State by year for the last 5 years. For additional information about conditions, contact The third section of the report brings together insect, the USDA Forest Service office listed on the next page disease, and abiotic agent damage reports from each (see map for office coverage) or your State forester. affected region under the organism's or agent's name. The organisms and agents are arranged alphabetically The USDA Forest Service also prepared "America's in the appropriate section— Forests: 2003 Health Update," which highlights major • insects—native; forest health concerns. The report deals with exotic • insects—nonnative; (nonnative) pests, the rural-urban-wildland interface, and the effects of weather and air pollution on forests. • diseases—native; • diseases—nonnative; • diseases—origin unknown; • declines and complexes; iii United States Department Of Agriculture Forest Service Forest Health Protection Offices Forest Service, USDA Forest Service, USDA Northern Region (R-1) Pacific Northwest Region (R-6) P.O. Box 7669 P.O. Box 3623 Missoula, MT 59807 Portland, OR 97208-3623 (406) 329-3605 (503) 808-2913 Forest Service, USDA Forest Service, USDA Rocky Mountain Region (R-2) Southern Region (R-8) P.O. Box 25127 1720 Peachtree Road, NW, Room 862 S Denver, CO 80225 Atlanta, GA 30367-9102 (303) 275-5026 (404) 347-2961 Forest Service, USDA Forest Service, USDA Southwestern Region (R-3) Northeastern Area 333 Broadway Boulevard, SE 11 Campus Boulevard, Suite 200 Albuquerque, NM 87102 Newtown Square, PA 19073 (505) 842-3247 (610) 557-4124 Forest Service, USDA Forest Service, USDA Intermountain Region (R-4) Alaska Region (R-10) 324 25th Street 3301 C Street, Suite 522 Ogden, UT 84401 Anchorage, AK 99503-3956 (801) 625-5759 (907) 271-2575 Forest Service, USDA Forest Service, USDA Pacific Southwest Region (R-5) International Institute of Tropical Forestry 1323 Club Drive UPR Experiment Station Grounds Vallejo, CA 94592 P.O. Box 25000 (707) 562-8921 Rio Piedras, PR 00928-5000 (787) 766-5335 iv USDA Forest Service Regions and Area Copies of this report are available from: USDA Forest Service Attn: Forest Health Protection Stop Code 1110 1400 Independence Avenue, SW Washington, DC 20250-1110 Phone: (703) 605-5352 Fax: (703) 605-5353 Email: [email protected] This report is also available on the Internet at: www.fs.fed.us/foresthealth/current_conditions.shtml v CONTENTS Preface ............................................................................................................................................................................................. iii Map of Forest Service Regions/Area ................................................................................................................................................ v Executive Summary.......................................................................................................................................................................... 1 PART 1: EMERGING INSECT AND DISEASE ISSUES ............................................................................................................. 5 Emerald ash borer............................................................................................................................................................................. 6 Pinyon pine mortality........................................................................................................................................................................ 8 Western bark beetles....................................................................................................................................................................... 10 Sudden Oak Death .......................................................................................................................................................................... 12 PART 2: HISTORICAL HIGHLIGHTS ....................................................................................................................................... 15 Insect Conditions Highlights........................................................................................................................................................... 16 Gypsy moth........................................................................................................................................................................ 16 Southern pine beetle........................................................................................................................................................... 18 Mountain pine beetle.......................................................................................................................................................... 20 Spruce budworm ................................................................................................................................................................ 22 Western spruce budworm................................................................................................................................................... 24 Hemlock woolly adelgid .................................................................................................................................................... 26 Common European pine shoot beetle................................................................................................................................. 27 Spruce beetle...................................................................................................................................................................... 28 Disease Conditions Highlights........................................................................................................................................................ 29 Dogwood anthracnose........................................................................................................................................................ 29 Beech bark disease ............................................................................................................................................................. 30 Butternut canker................................................................................................................................................................. 31 Fusiform rust...................................................................................................................................................................... 32 Dwarf mistletoes ................................................................................................................................................................ 33 PART 3: CONDITIONS BY DAMAGE AGENT BY REGION .................................................................................................. 35 Insects: Native ............................................................................................................................................................................... 36 Arborvitae leaf miners (Region 9/Northeastern Area) ...................................................................................................... 36 Aspen leaf blotch miner (Region 10) ................................................................................................................................. 36
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