Diverse opinion papers related tothe question whether environmental benefits canbe achieved by the herbicide resistancetechnique have been published. But onlylong-term and large-scale field tests usingdifferent weed control methods and additionalagricultural vegetation surveys make itpossible to...

The potential negative impacts of biological pest control on non-target species have become the focus of a contentious debate. In this article, we use examples from both classical and augmentative biological control of fruit fly pests in Hawaii to address several important factors in assessing...

Testing of candidate biological control agents to estimate their likely field host ranges in the area of release has been part of weed biological control for several decades, with evolving techniques and goals. Similar efforts have been made less often for parasitoids and predators being...