- Climate factors associated with historic spruce beetle (Coleoptera: Curculionidae) outbreaks in Utah and ColoradoElizabeth G Hebertson
USDA Forest Service, Forest Health Protection Ogden Field Office, 4746 South 1900 East, Ogden, UT 84403, USA
Environ Entomol 37:281-92. 2008..The resulting model correctly classified nonoutbreak and outbreak years 67 and 70% of the time, respectively...
- Effectiveness of bifenthrin (Onyx) and carbaryl (Sevin SL) for protecting individual, high-value conifers from bark beetle attack (Coleoptera: Curculionidae: Scolytinae) in the Western United StatesChristopher J Fettig
Pacific Southwest Research Station, USDA Forest Service, Davis, CA 95616, USA
J Econ Entomol 99:1691-8. 2006..ponderosa/D. brevicomis and P. monophylla for 0.06% Onyx. We conclude that Onyx is an effective individual tree protection tool, but repeated annual applications may be required in some systems if multiyear control is desired...