Aphid Parasites (Hymenoptera, Aphidiidae) of the Mediterranean Area formatIsbn:Softcover - 9789061930297 5 Milliarden US$ im Jahre

5 Milliarden US$ im Jahre 1967 auf 144

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2Klima und Topographie von Mainz10

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Aphid Parasites (Hymenoptera, Aphidiidae) of the Mediterranean Area formatIsbn:Softcover - 9789061930297 5 Milliarden US$ im JahreAn analysis of the particular topics in biological control programmes all over the world indicates an increased interest in the utilization of aphid parasites. Besides the so called traditional biological control of introduced aphids, there appears a situation which could perhaps be called a renaissance of biocontrol, i. e. the utilization of biotic agents against insecticide resistant populations of aphid pests. The rapid increase in the amount of