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Effects of reduced rates of two insecticides on enzyme activity and mortality of an aphid and its lacewing predator

Booth, L. H. ; Wratten, S. D. ; Kehrli, Patrik

In: Journal of Economic Entomology, 2007, vol. 100, no. 1, p. 11-19

By applying insecticides at lower rates of active ingredients per unit area, survival rates of the pests' natural enemies can be enhanced, whereas pest mortality can remain high. The effects of reduced application rates of the insecticides lambda- cyhalothrin and dimethoate on the mortality of bird cherry-oat aphid, Rhopalosiphon padi (L.), and lacewing Micromus tasmaniae Walker were...