| pesticide treatments affect mountain pine beetle abundance and woodpecker foraging behavior. | in british columbia, canada, management efforts used to control mountain pine beetle (dendroctonus ponderosae hopkins) outbreaks have included treatment of infested trees with an organic arsenic pesticide, monosodium methanearsonate (msma). cumulative pesticide applications over a large geographic area have generated concerns about arsenic loading in the environment and potential toxicity to nontarget wildlife. we investigated woodpecker foraging patterns in infested stands with and without msma ... | 2008 | 18372564 |