Aphid Parasites (Hymenoptera, Aphidiidae) of the Mediterranean Area formatIsbn:Softcover - 9789061930297 Aber kann man solche Gebilde

Aber kann man solche Gebilde überhaupt als Gemeinschaften oder Gruppen bezeichnen

2Klima und Topographie von Mainz10

boniferous to Permian suturing of Laurussia with Gondwana

1837 -- Zur Warnung

Aphid Parasites (Hymenoptera, Aphidiidae) of the Mediterranean Area formatIsbn:Softcover - 9789061930297 Aber kann man solche GebildeAn 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