Mohamed Ali Ahmed Osman June19,1972 Office Address:agriculture zoology,Fac.of Agric.Mansoura Univ. DK.Egypt Research Interests: Biology and life table of Predatory Mites and insects Specially Fam.Phytoseiid,Fam.stigmid and coccinellid. Using Phytoseiid Mites&stigmid mite In Biological Control Specially two spotted spider mites