37 research outputs found
Cnemodon vitripennis (Meig.) als roofvijand van de appelbloedluis, Eriosoma lanigerum (Hausm.) (Dipt.; Hemipt.)
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Methods to investigate the population dynamics of aphids and aphid parasites in orchards
No full textStudies on Cynipidae Alloxystinae 3. The identity of Phaenoglyphis ruficornis (Foerster, 1869) comb. nov.
No full textInvestigations on the rose tip-infesting sawfly Ardis brunniventris (Hymenoptera, tenthredinidae)
No full textBetrachtungen ueber den Einflusz der Blutlauszehrwespe Aphelinus mali (Hald.) auf den Massenwechsel ihres Wirtes, der Apfelblutlaus Eriosoma lanigerum (Hausm.) in den Niederlanden
No full textCnemodon vitripennis (Meig.) als roofvijand van de appelbloedluis, Eriosoma lanigerum (Hausm.) (Dipt.; Hemipt.)
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De groene appeltakluis, Aphis pomi Geer en haar parasietencomplex = (The Green apple aphid, Aphis pomi Geer) and its parasite complex)
No full textThe natural control of apple - grass aphid, Rhopalosiphum insertum, with remarks on the control of apple aphids in the Netherlands in general
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