Contents: Author’s preface and acknowledgements. Systematic index. List of important recent synonyms of Indian species. Abbreviations used in keys and descriptions. Part I: General: 1. Introduction. 2. Classification. 3. Characters used in identification and classification: i. Adult characters. ii. Pharyngeal characters. iii. Hypopygial characters. iv. Pupal characters. v. Larval characters. vi. Characters of the egg. 4. Geographical distribution. 5. Phylogeny. 6. Bionomics and relation to disease. 7. Technique. Part II: Keys. Species recorded from the Indian area: a. Adults. b. Larvae. c. Eggs. Part III. Systematic. Part IV. Bibliography. Alphabetical Index.