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Use of Sitobion akebiae (Hemiptera: Aphididae) as an alternative host aphid for a banker-plant system using an indigenous parasitoid, Aphidius gifuensis (Hymenoptera: Braconidae)
Movement away from feeding site of the aphid Sitobion αvenαe (F.)(Hemiptera: Aphididae) when parasitized by Aphelinus αbdominαlis (Dalman)(Hymenoptera: Aphelinidae)
Parasitoids of a stem weevil, Cylindrocopturus adspersus (Coleoptera: Curculionidae), in sunflower: incidence and parasitization rates in the northern great plains