SAWTOOTH NATIONAL FOREST Minidoka Ranger District 2014 Aerial Insect and Disease Detection Survey

1:168,960 Miles 0 1.25 2.5 5 7.5 10 ³

20 20

15 30 Unknown Defol., Hvy -Asp

IDAHO

15 Unknown Defol., Hvy -Asp

A 15

U N

Unknown Defol., Hvy -Asp

Fire -MC 250

INSECT & DISEASE ACTIVITY

BARK BEETLES Mortality DEFOLIATORS 1-4 5-14 15+ Trees Aerial Insect & Disease Detection Surveys Mountain Pine Beetle (MPB) Lodgepole pine r !A / 20 ***Disclaimer*** Defoliation ) CL 3 Light Heavy Aerial insect and disease detection surveys are conducted annually to detect and Insect and disease data should be used only as an indicator Whitebark pine 20 Unknown Defoliation Light <50% monitor annual, visible, vegetation damage primarily caused by insects. Aerial of insect and disease activity, and should be ground - truthed Douglas-fir Beetle (DFB) Douglas-fir r !A / 20 -Aspen Heavy >50% detection surveys are intended to detect new activity, to monitor the trend of for actual location and causal agent. Polygons indicate r !A ongoing activity, to provide general location information, and to subjectively rate Spruce Beetle (SB) Spruce / 20 locations of tree mortality, defoliation, and/or other damage. r !A / levels of defoliation. These flights are conducted in a joint partnership between the Intensity of damage is variable, and not all trees and areas Ips Confusus Pinyon pine 20 USDA Forest Service, Idaho Department of Lands, and The Nevada Division of indicated are dead or damaged. The joint cooperators reserve ADDITIONAL SYMBOLS AND DAMAGE AGENTS Forestry the right to correct, modify, update, or replace the data as MORTALITY & DISEASE necessary. Using this data for purposes other than those for r !A # -Trees affected -Boundary which it was intended may yield inaccurate or misleading results. Subalpine Fir Mortality Subalpine fir / 20 Survey Data represented on this map are based on trees visibly affected by forest insects, #A -Trees/Acre affected -Area as detected by aerial observers. Most bark beetle-killed trees are not typically symptomatic (faded foliage that is yellow, orange, or brown) until nearly a year Aspen -Asp Mtn Mahogany -MMH following beetle attack. Therefore, the numbers of trees killed by bark beetles, as Fire Bristlecone pine -B Ponderosa pine -PP indicated on this map, are a reflection of last year's mortality. The numbers do not -Mixed Conifer Douglas-fir -DF Spruce -S reflect the current year's beetle population or number of currently attacked trees. !!!!!!!!!!! Larch -L Subalpine fir -SAF !!!!!!!!!!! Blowdown !!!!!!!!!!! !!!!!!!!!!! -Mixed Conifer !!!!!!!!!!! Limber pine -x, Lm Whitebark pine -WBP Observers have just a few seconds to recognize, identify, and document observed Lodgepole pine -LP activity. Air turbulence, cloud shadow, haze, smoke, and obeserver experience can all affect the quality of the survey. Forest Health Protection-Boise Field Office 12/17/2014

Blowdown -MC 300