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Population fluctuation of some insect pests infesting sugar beet and the associated predatory insects at Kafr El-Sheikh Governorate
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The results showed that the sugar beet plants were harbored three main insect species i.e. Cassida vittata)Vill); Pegomyia mixta Vill and Scrobipalpa ocellatella Boyd. Four predatory species were associated with the three insect pests i.e. Coccinella undecimpunctata L.; Scymnus sp., Paederus alfierii Koch. and Chrysoperla carnea (Steph.). |