Citation: Em. El-banhawy et al., Effect of the nymph prey density of the two spotted spider mite Tetranychus urticae Koch on the consumption and reproduction rates of the predacious mite Cydnoseius negevi (Swirski & Amitai) in absence and presence of nymphsof the white fly Bemisia tabaci (Genn.) (Acari : Phytoseiidae), ANZ SCHAD-J, 72(2), 1999, pp. 55-56