been killed by native bark beetles in forests ranging from Alaska to New Mexico, and severâ al recent outbreaks ... Types and use of preventative applications of insecticides ..... red regarding the development of tree protection tools. .... of phloem-mobile active ingredients injected with pressurized systems (e.g., Sidewinder®.
Chapter 17
Advances in Insecticide Tools and Tactics for Protecting Conifers from Bark Beetle Attack in the Western United States Christopher J. Fettig, Donald M. Grosman and A. Steven Munson Additional information is available at the end of the chapter http://dx.doi.org/10.5772/54178
1. Introduction Bark beetles (Coleoptera: Curculionidae, Scolytinae), a large and diverse group of insects consisting of ~550 species in North America and >6,000 species worldwide, are primary dis‐ turbance agents in coniferous forests of the western U.S. Population levels of a number of species (
