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FOREST INSECT and DISEASE CONDITIONS in the ROCKY MOUNTAIN REGION

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FOREST INSECT and DISEASE CONDITIONS in the ROCKY MOUNTAIN REGION United States Rocky Renewable Department of Mountain Resources - Agriculture Region Forest Health FOREST INSECT and DISEASE CONDITIONS in the ROCKY MOUNTAIN REGION 2005 Lodgepole pine beetle, Dendroctonous murrayanae killed lodgepole pines on the Medicine Bow National Forest. This beetle is similar to spruce beetle in both physical appearance of the adults and in their gallery construction. Lodgepole pine beetle attacks at the base of the tree. A. Vertical egg gallery of lodgepole pine beetle. B. Horizontal larval galleries FOREST INSECT AND DISEASE CONDITIONS IN THE ROCKY MOUNTAIN REGION 2005 R2-06-07 USDA Forest Service Rocky Mountain Region Renewable Resources, Forest Health Management 740 Simms Street Golden, Colorado 80401-4720 Visit our website at www.fs.fed.us/r2/fhm State Forest Health Monitoring Highlights at http://fhm.fs.fed.us by The Rocky Mountain Region Forest Health Management Staff, and State Forest Health Specialists of Colorado, Kansas, Nebraska, South Dakota, and Wyoming The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternate means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write USDA Director, Office of Civil Rights, Room 326-W, Whitten Building, 1400 Independence Avenue, SW, Washington, DC 20250-9410 or call (202) 720-5964 (voice and TDD). USDA is an equal opportunity employer.” 2 ACKNOWLEDGMENTS The Forest Health Management (FHM) Staff extends its appreciation to all cooperators who contributed to forest health efforts in the Rocky Mountain Region. COLORADO Jeff Jahnke, State Forester Vacant --- Forest Health Specialist Colorado State Forest Service Forestry Building Colorado State Univ. Fort Collins, CO 80523 Phone: 970/491-6303 Fax: 970/491-7736 KANSAS Raymond G. Aslin, State Forester Vacant --- Forest Health Specialist Kansas Forest Service 2610 Claflin Road Manhattan, KS 66502 Phone: 785/532-3300 Fax: 785/532-3305 NEBRASKA Dr. Scott Josiah, State Forester Mark Harrell, Entomologist Nebraska Forest Service Laurie Stepanek, Forest Pest Mgmt. 103 Plant Industry – Univ. of Nebraska Assistant Lincoln, NE 68583 103 Plant Industry – Univ. of NE Phone : 402/472-1467 Lincoln, NE 68583 Fax: 402/472-2964 Phone: 402/472-6635 or -5503 Fax: 402/472-2964 SOUTH DAKOTA Ray Sowers, State Forester John Ball, Entomologist Division of Resource Conservation and South Dakota State University – Dept. Forestry – of Horticulture and Forestry Foss Building, 523 E. Capitol Avenue NPB 201 - Box 2140A Pierre, South Dakota 57501-3182 Brookings, SD 57007 Phone: 605/773-3623 Phone: 605/688-4737 Fax: 605/773-4003 Fax: 605/688-4713 WYOMING Bill Crapser, State Forester Les Koch, Forest Health Specialist Wyoming State Forestry Division Wyoming State Forestry Division 1100 West 22nd Street 1100 West 22nd Street Cheyenne, Wyoming 82002 Cheyenne, Wyoming 82002 Phone: 307/777-7586 Phone: 307/777-5495 Fax: 307/637-8726 Fax: 307/637-8726 3 TABLE OF CONTENTS Page Acknowledgements 2 Table of Contents and Disclaimers 3 Rocky Mountain Region-Forest Health Management Staff and 4 Service Center Zones Status of Major Forest Damaging Insects, Diseases, and Other 5 Agents in the Rocky Mountain Region during 2005 (Mountain Pine Beetle – pg 5; Spruce Beetle – 8; Douglas-fir Beetle – 9; Pine Engraver Beetle – 9; Subalpine Fir Mortality, Western Balsam Bark Beetle, and Root Diseases – 11; Dwarf Mistletoe – 12; White Pine Blister Rust – 13) Insects, Diseases, and Other Damaging Forest Agents of 16 Concern in Colorado, Kansas, Nebraska, South Dakota, & Wyoming (Insects – 16; Diseases – 19; Other – 21) 2005 Rocky Mountain Region Aerial Survey 23 Forest Health Management Special Projects 28 Recent Publications 30 Data, Aerial Survey, and Map Disclaimers These insect and disease data are available digitally from the USDA Forest Service, Region Two Forest Health Management group. The cooperators reserve the right to correct, update, modify or replace GIS products. Using these data for purposes other than those for which it was intended may yield inaccurate or misleading results. Only rough estimates of location, intensity and the resulting trend information for any given damaging agent are provided with aerial survey data. The data presented should only be used as indicators of insect and disease activity, and validated on the ground for actual location and casual agent. Many of the most destructive diseases are not represented in these data because these agents are not detectable from aerial surveys. Maps in this product are reproduced from geospatial information prepared by the USDA Forest Service. GIS data and product accuracy may vary. They may be: developed from sources of differing accuracy, accurate only at certain scales, based on modeling or interpretation, incomplete while being created or revised, etc. Using GIS products for purposes other than those for which they were created, may yield inaccurate or misleading results. The Forest Service reserves the right to correct, update, modify, or replace, GIS products without notification. For more information, please contact the Rocky Mountain Regional Office 303-275-5367. 4 Rocky Mountain Region (R2), Forest Health Management 2005 Forest Health (FH) Management is responsible for the detection, evaluation, and suppression of insects and diseases on forested Federal lands in the Rocky Mountain Region (Figure 1). FH Management also administers financial and technical assistance programs with State Foresters of Colorado, Kansas, Nebraska, South Dakota, and Wyoming for insect and disease detection, evaluation, and suppression. In addition, management for range pests and non-native forest insects and diseases is shared with the Animal and Plant Health Inspection Service (APHIS). Federal and State agencies coordinate and cooperate in forest health management for effective program execution. Three Service Centers and the Regional Office address forest health concerns for the Rocky Mountain Region. Questions concerning operations and requests for service can be directed to the Forest Health Management Group Leader in the Regional Office or the respective Service Center Leaders. Figure 1 SERVICE CENTERS, OFFICES, and STAFF Rapid City Service Jim Blodgett – Plant Lakewood Service Bernard Benton - Center (RCSC) Pathologist Center (LSC) Computer Specialist 1730 Samco Road, Al Dymerski – Aerial P.O. Box 25127 Kelly S. Burns – Plant Rapid City, SD 57702 Survey Technician Lakewood, CO 80225 Pathologist Ph: 605/343-1960 Denise Hardesty – Ph: 303/236/9541 Sheryl Costello – Fax: 605/394-6627 Technician Fax: 303/236-9542 Entomologist Dan Long –Technician Brian Howell – Technician Kurt Allen – RCSC Bill Schaupp – Jeff Witcosky - LSC Leader, Entomologist Entomologist Leader, Entomologist Gunnison Service Tom Eager - Regional Office Pat Ahern – Aerial Survey Center (GSC) Entomologist 740 Simms Street, Technician 108E. Georgia St., Leanne Egeland – Golden, CO 80401 Bob Cain – Regional Mail to: 216 N. Technician Ph: 303/275-5061 Entomologist Colorado Caley Gasch – Fax: 303/275-5075 Jeri Lyn Harris – FH Gunnison, CO 81230 Biological Aide Monitoring Coordinator Ph: 970/642-1199 Kerry Spetter – Admin. Renewable Resources Erik Johnson – Aerial Fax:970/642-1919 Support Director (Vacant) Survey Program Manager Jim Worrall - Plant Tom McClure – Noxious Roy Mask – GSC Pathologist Frank Cross – FH weeds, Invasive species, Leader, Entomologist Group Leader Pesticide coordinator Jennifer Ross – GIS specialist 5 Status of Major Forest Damaging Insects, Diseases, and Other Agents in the Rocky Mountain Region during 2005 Mountain Pine Beetle along the Williams Fork. Along these Dendroctonus ponderosae riparian areas, the mountain pine beetle is attacking and infesting Engelmann Mountain Pine Beetle again was the spruce trees along with lodgepole pine most damaging agent in the Region in trees. Mountain pine beetle larvae are 2005. Large outbreaks continued to developing in these trees and are devastate pines in the region from reaching late larval instars. Whether Colorado’s San Luis Valley to the these mountain pine beetles will survive Absaroka Mountains in northwest to emerge as adults has not been Wyoming and over into the Black Hills in determined. South Dakota. In an unusual twist, mountain pine Colorado beetle-infested Engelmann spruce are Mountain pine beetle populations being attacked at their base by the remained at epidemic levels in spruce beetle, Dendroctonus rufipennis. lodgepole pine stands throughout This sort of interaction between these northern Colorado. The following two Dendroctonus species may lead to counties were severely impacted: Eagle, an increasing problem associated with Grand, Jackson, Routt and Summit. building spruce beetle populations as Large amounts of dead and dying the mountain pine beetle population lodgepole pines adjacent to towns collapses due to a depletion of the prompted efforts by federal, state and lodgepole pine resource in the Williams local homeowners to manage beetle Fork area. impacts and fire risk in the wildland- urban interface. These communities In Colorado, mountain pine beetles included Breckenridge, Silverthorn, successfully completed their lifecycle
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