Tachinid flies (Diptera) are very potential biocontrol agents of several insect pests. Therefore, they are widely used in biological pest management at global scenario. Hence, the book contains following topics: General Introduction ? Review of Literature ? Collection and Preservation of Tachinids ? Taxonomy of Tachinids ? Abundance and Distribution of Tachinids ? Summary, Conclusio and Bibliography. This book will be stimulatory and helpful to teachers, students, farmers, environmentalists and scientists in the field of pest management.