Sharmila Devi, Maibam. Predator-prey relationship: A study of phenology and prey-suitability of Harmonia dimidiata(Fabricius) on Oak aphids / by Maibam Sharmila Devi. - Ph.D. / - Imphal : Manipur University , 2008 - 123p, Appendix : Subjects--Topical Terms: Botany- Harmonia dimidiata- Oak Plant Aphids Dewey Class. No.: I / P8;2