A summary of verbenone treatments on Lookout Pass Ski and Recreation Area, 2004 /
"The forests in and around Lookout Pass Ski and Recreation Area has a significant component of lodgepole pine susceptible to mountain pine beetle (MPB) (Dendroctonus ponderosae) attack. Aerial detection surveys (ADS) began to detect lodgepole pine mortality attributed to mountain pine beetle in...
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| Format: | Government Document eBook |
| Language: | English |
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[Missoula, Mont.] :
[U.S. Dept. of Agriculture, Forest Service, Northern Region], Forest Health Protection,
[2004]
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| Series: | FHP report ;
no. 04-17. |
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| Online Access: | https://purl.fdlp.gov/GPO/LPS97522 |
| Summary: | "The forests in and around Lookout Pass Ski and Recreation Area has a significant component of lodgepole pine susceptible to mountain pine beetle (MPB) (Dendroctonus ponderosae) attack. Aerial detection surveys (ADS) began to detect lodgepole pine mortality attributed to mountain pine beetle in the vicinity of the recreation area in the mid 1990's. In 2003, to protect lodgepole pine in buffer strips between existing ski runs, the Idaho Panhandle National Forest's (IPNF) treated 40 acres of buffer strips containing large diameter lodgepole pine with verbenone, the anti-aggregant pheromone for the mountain pine beetle. In 2004, 100 acres were treated-on the whole treated areas were protected. Some attacks were noted, particularly along the edges of treated and untreated polygons and in units treated for the first time in 2004, which had 2003 attacks. Surveys conducted in the fall of 2004 in untreated areas show continued beetle activity in untreated polygons. In one untreated unit, the District is responding with a timber sale to remove currently infested and older dead trees. Prompt removal of currently infested trees should reduce beetle population pressure on adjacent units; however, will not eliminate the potential for additional mountain pine beetle attacks. To prevent mountain pine beetle mortality, an application of verbenone in high priority buffer strips in 2005 is advisable. Currently infested trees should be harvested prior to beetle flight (July) in 2005. In addition, managers might want to consider individual high-value tree protection, by using insecticidal sprays or for all trees in important buffer strips to protect against MPB and pine engraver (Ips Species) (IPS) attack (verbenone is not effective against IPS). Long term solutions to bark beetle threat on Lookout Pass Ski and Recreation area should include development of a comprehensive vegetation management plan."--Exec. summary. |
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| Item Description: | Caption title. "December 2004." Electronic resource. |
| Physical Description: | 9 pages : map ; 28 cm. |
| Bibliography: | Includes bibliographical references (page 8). |