1 General introduction and outline.- Introduction.- Insect pathogens as microbial control agents.- Aim of this book.- Outline of this book.- Appendix: Terminology and definitions.- 2 Selection of a microbial pest control agent .- Introduction.- Critical steps and factors in the selection process of a microbial pest control agent.- Selection criteria for a microbial pest control agent.- Conclusions and recommendations.- 3 Mass production and product development of a microbial pest control agent.- Introduction.- Process development.- Product development.- Production economics and final product costs.- Conclusions and recommendations.- 4 Quality control.- Introduction.- History of quality control in microbial pest control products.- Production quality control and process quality control.- Product quality control of microbial pest control products.- Critical aspects of product quality control with the various types of pathogens.- Registration and quality control.- Practical aspects of product quality control.- Conclusions and recommendations.- 5 Registration of microbial pest control agents and products and other related regulations.- Introduction.- Entomopathogenic nematodes and regulations.- Exotic organisms and microbial pesticides.- Safe handling of microorganisms.- Intellectual property rights.- Conclusions and recommendations.- 6 Implementation of a microbial pest control product in an integrated pest management programme.- Introduction .- Development of an application strategy.- Development of an integrated pest management strategy.- Resistance and microbial pest control products.- Practical aspects of side-effect testing.- Implementation of microbial pest control products and knowledge transfer .- Conclusions and recommendations.- 7 Critical factors in the successful commercialization of microbial pest control products.- Introduction.- The historical development of biopesticide companies and microbial pest control products.- Overview of current use of microbial pest control products.- Critical success and failure factors for a biopesticide company.- Successful and unsuccessful companies.- Factors that influence the decision to develop and commercialize microbial pesticides.- Is there a successful business model for a biopesticide company?.- Critical success and failure factors for a microbial pesticide.- Developmental costs and time of a microbial pest control product.- Distribution and sale strategies.- Conclusions and recommendations.- 8 Roadmap to success and future perspective.- Introduction.- Roadmap to a successful microbial pest control product.- Future perspective.- Concluding remarks.