CONTENTS: 1. Introduction 2. Material and methods 3. Objectives 4. Results 5. Discussion 6. Summary 7. Acknowledgements 8. References 9. Plates (38 species of hover flies (Insecta: Diptera: Syrphidae) under 22 genera and 2 subfamilies has been reported from the Mid hill zone of Himachal Pradesh which includes a long stretch of elevational range varying from 651 to 1800 meters)