Kassege, P. K. Nymphal aggregation, time and size at metamorphosis in dysdercus fasciatus sign (hemiptera) - Dar es Salaam: University of Dar es Salaam, 1989. - 11p.: ill.; 40cm. Bibliogrpaphy: p.11Thesis (BSc) - University of Dar es Salaam Subjects--Topical Terms: Metamorphosis LC Class. No.: THS ZOO QK981.K3