TY - GEN AU - Ragab Shaker Abd El Rahman Mohamed AU - Ezz_ElDine Abd El Samea ElShazly , AU - Ismail Abd El Khalek Ismail , TI - Certain ecological and biological aspects of the red - striped soft scale insect pulvinaria tenuivalvata newstead infesting sugarcane / PY - 2006/// CY - Cairo : PB - Ragab Shaker Abd El Rahman Mohamed , KW - Biology Host KW - Control KW - Ecology KW - Pulvinaria N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Economic Entomology and Pesticides; Issued also as CD N2 - The red - striped soft scale insect Pulvinaria tenuivalvata attacking sugar - cane at Attfieh region , Giza Governorate is considered an economic important insect pest on sugar - cane in Egypt recentlyThe main topics of this present study can be summarized as follows : Population dynamics of Ptenuivalvata , its rate of growth and survey of predators and parasitoids associated were conducted through careful inspection of sugar - cane fieldsNymphal infestation started from apical part of plant in the two studying seasonsAlso , adult infestation started on apical part of sugar - cane plant in first and second seasonsIn both seasons infestation disappear from January to the end of seasonNegative Correlation was found between the population density of Ptenuivalvata and temperature UR - http://172.23.153.220/th.pdf ER -