A series of bioassays were conducted to determine the relative toxicities and residual activities of insecticides labeled for use in blueberry (Vaccinium corymbosum L.) on natural enemies, to identify products with low toxicity or short duration effects on biological control agents. In total, 14 insecticides were evaluated using treated petri dishes and four commercially available natural enemi...

A series of bioassays were conducted to determine the relative toxicities and residual activities of insecticides labeled for use in blueberry (Vaccinium corymbosum L.) on natural enemies, to identify products with low toxicity or short duration effects on biological control agents. In total, 14 insecticides were evaluated using treated petri dishes and four commercially available natural enemi...

1049-9644/$ see front matter 2010 Elsevier Inc. A doi:10.1016/j.biocontrol.2010.05.013 * Corresponding author. E-mail address: [email protected] (J. Silve Ants frequently protect honeydew-excreting hemipterans from their natural enemies in exchange for food, and these interactions can have a negative impact on biological control. Invasive ant species, such as the Argentine ant, Linepithe...

Abstract Drought events have the potential to mediate tri-trophic interactions. Changes in plant quality influence herbivore performance, which affects prey availability and for natural enemies. Parasitoid wasps are particularly vulnerable these changes since their development is inextricably linked that of prey. However, we know little about indirect effects water limitation on parasitoid espe...

The parasitization capacity of 3 parasitoids and the predation capacity of 3 predators towards the shallot aphid, Myzus ascalonicus Doncaster (Homoptera: Aphididae), on strawberry, Fragaria x ananassa Duchesne (Rosales: Rosaceae) cv. Honeoye, were examined in laboratory experiments. In Petri dish assays, both Aphidius colemani Viereck (Hymenoptera: Aphidiidae) and A. ervi Haliday readily stung ...

The systematic and long-term use of pesticides in fruit plantations leads to the formation resistant pest populations. purpose this work was evaluate effectiveness entomophages acariphages for protection apple orchards. Against dominant Cydia pomonella (Linnaeus), Habrobracon hebetor (Say) used, which caught Krasnodar Territory using cassettes with caterpillars attractive H. hebetor. To determi...