Historic, Archive Document Do not assume content reflects current scientific knowledge, policies, or practices. a 7 Pips ae Forest Insect and Disease United States Department of Agriculture Conditioinn tsh e Forest Service Intermountain Region, 1994 Intermountain Region Ogden, Utah MME ty Yip y i _WY yyth s bs Yj? WH oaa o FOREST INSECT AND DISEASE CONDITIONS in the Intermountain Region 1994 Compiled by: T. Barbouletos A. Knapp B. Gardner P. Mocettini Forest Pest Management State and Private Forestry USDA Forest Service Intermountain Region 324 - 25th Street Ogden, Utah 84401 May 1995 a. arava’ wo Te mv | riches ohamniawns det fear | a eiaah tn Salbggect aciotnentuak 4 grrad 4 — < he ik... ; te 7 ” Pe : sin dane e FOREST PEST MANAGEMENT INTERMOUNTAIN REGION Regional Office 324 - 25th Street Ogden, Utah 84401 (801) 625-5257 FTS (801) 625-5257 FAX (801) 625-5127 Pat L. Aguilar Group Leader Vacant Pesticide Coordinator Boise Field Office 1750 Front Street, Room 202 Boise, Idaho 83702 (208) 364-4220 FTS (208) 364-4220 FAX (208) 364-4111 Vacant Plant Pathologist/ Boise Field Office Representative James T. Hoffman Plant Pathologist Ralph W. Thier Entomologist Julie C. Weatherby Entomologist Joy C. Roberts Computer Analyst K. Andrew Knapp Aerial Survey Specialist Philip J. Mocettini, Jr. Biological Technician Richard L. Halsey GIS Specialist Thomas N. Barbouletos Forester Brian R. Gardner Biological Technician Linda R. Spillers Computer Assistant Ogden Field Office 4746 South 1900 East Ogden, Utah 84403 (801) 476-9720 FTS (700) 321-9720 FAX (801) 479-1477 Leon LaMadeleine Plant Pathologist/ Ogden Field Office Representative John A. Anhold Entomologist Dawn E. Hansen Entomologist A. Steven Munson Entomologist John C. Guyon Plant Pathologist Valerie L. DeBlander Forestry Technician Gary J. Otwell Biological Technician Alan D. Dymerski Forestry Technician Nancy P. Wright Computer Assistant The policy of the United States Department of Agriculture Forest Service prohibits discrimination on the basis of race, color, national origin, age, religion, sex, or disability, familial status, or political affiliation. Persons believing they have been discriminated against in any Forest Service related activity should write to: Chief, Forest Service, USDA, P.O. Box 96090, Washington, DC 20090-6090 iv Page Introduction Résumé of Conditions Status of Insect Conditions Status of Disease Conditions Tables 14 Figures 21 Special Project Update 27 30 Recent Publications _ TABLE OF CONTENTS (CONTINUED) Page TABLES Table 1. Number of trees killed and acres infested by bark beetles on National Forests of Region 4 during 1994 as determined by aerial detection surveys. Status of mountain pine beetle infestations by state during 1994. Status of spruce beetle infestations by state during 1994. Status of Douglas-fir beetle infestations by state during 1994. Status of western pine beetle/Jps beetle infestations by state during 1994. Status of Jeffrey pine beetle infestations by state during 1994. Status of western balsam bark beetle infestations by state during 1994. OANN ALY Status of fir engraver beetle infestations by state during 1994. FIGURES Figure Trees killed by bark beetles in Region 4 between 1981 & 1994. 21 Acres defoliated by western spruce budworm & Douglas-fir tussock moth in Region 4 between 1960 & 1994. 21 Areas infested by mountain pine beetle and Jeffrey pine beetle in Region 4 during 1994 as observed during aerial detection surveys. pap) Areas infested by spruce beetle in Region 4 during 1994 as observed during aerial detection surveys. 23 Areas infested by Douglas-fir beetle in Region 4 during 1994 as observed during that aerial detection surveys. 24 Areas infested by western pine beetle and Jps beetle in Region 4 during 1994 as observed during aerial detection surveys. 25 Areas infested by fir engraver beetle and western balsam bark beetle in Region 4 during 1994 as observed during aerial detection surveys. 26 vi