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Is Preventative, Concurrent Management Of The Soybean Aphid (Hemiptera: Aphididae) And Bean Leaf Beetle (Coleoptera: Chrysomelidae) Possible?, Kevin D. Johnson, Matthew E. O'Neal, Jeffrey Bradshaw, Marlin E. Rice
Is Preventative, Concurrent Management Of The Soybean Aphid (Hemiptera: Aphididae) And Bean Leaf Beetle (Coleoptera: Chrysomelidae) Possible?, Kevin D. Johnson, Matthew E. O'Neal, Jeffrey Bradshaw, Marlin E. Rice
Panhandle Research and Extension Center
In Iowa, the management of insect pests in soybean, Glycine max (L.) Merr., has been complicated by the arrival of the invasive species soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), and occasional outbreaks of bean leaf beetle, Cerotoma trifurcata (Förster) (Coleoptera: Chrysomelidae), populations leading to economic losses. Several insecticide programs designed to reduce abundance of the overwintered and first generation C. trifurcata and the incidence of bean pod mottle virus were evaluated over 3 yr (2004-2006) for their impacts on A. glycines populations, at three locations in Iowa (Floyd, Lucas, and Story counties). There was no significant overlap of either …