Development of biological control of twospotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) on greenhouse ivy geranium, Pelargonium peltatum (L.) l'Her ex Ait., using the predatory mite, Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseidae)
Opit, George Patrick.
Kansas State University ProQuest Dissertations Publishing, 2003. 3090378.