Please note: This is a companion version & not the original book. Sample Book Insights: #1 In the late 1800s, massive changes in American farming and transportation invited a long list of destructive bugs. Farmers loosed natural parasites and predators of the pests, which created bigger problems in the process. #2 While working for a Swiss company, Eugene Froelicher studied how insects attacked crops, and how to grow crops that would resist those attacks. His work was instrumental in the development of the first generation of insecticides. #3 In the late 1800s, massive changes in American farming and transportation invited a long list of destructive bugs. Farmers loosed natural parasites and predators of the pests, which created bigger problems in the process. #4 In the late 1800s, massive changes in American farming and transportation invited a long list of destructive bugs. Farmers loosed natural parasites and predators of the pests, which created bigger problems in the process.