Contents: 1. Insecta : Diptera/M. Dutta, P. Parui and M. Mukherjee. 2. Insecta : Diptera : Asilidae/A.N.T. Joseph and P. Parui. 3. Insecta : Diptera : Simuliidae/M. Datta. 4. Insecta : Diptera : Chironomidae/P.K. Chaudhuri and Sailesh Chattopadhyay. 5. Insecta : Lepidoptera : Zygaenidae/D.P. Bhattacharya. 6. Insecta : Lepidoptera : Arctiidae/S.K. Ghosh and M. Chaudhury. 7. Insecta : Lepidoptera : Hesperiidae/S.K. Ghosh and M. Chaudhury. 8. Insecta : Pyralidae/D.P. Bhattacharya. 9. Insecta : Lepidoptera : Saturniidae/I.J. Gupta. 10. Insecta : Lepidoptera : Lycaenidae/I.J. Gupta. 11. Insecta : Lepidoptera : Heterocera : Geometridae/D.K. Mandal and S.K. Ghosh. 12. Insecta : Lepidoptera : Amathusiidae : Acraeidae: Nymphalidae : Riodinidae/I.J. Gupta. 13. Insecta : Lepidoptera : Heterocera : Sphingidae, Lasiocampidae, Lymantriidae and Ratardidae/D.K. Mandal and D.R. Maulik. 14. Insecta : Lepidoptera : Ctexiuchidae and Hypsidae/S.K. Ghosh and Mridula Chaudhury. 15. Insecta : Lepidoptera : Pieridae/S.K. Ghosh and M. Chaudhury. 16. Insecta : Satyridae/D.P. Bhattacharya. 17. Insecta : Lepidoptera : Rhopalocera : Papilionidae & Danainenymphalidae/D.K. Mandal and D.R. Maulik