Wednesday, 17 November 2004 - 9:48 AM
0144

Control of Lygus lineolaris (Heteroptera: Miridae) with Beauveria bassiana on wild host plants of the Mississippi Delta

Jarrod Leland, jleland@ars.usda.gov and Michael R. McGuire, mmcguire@pw.ars.usda.gov. USDA-ARS, SIMRU, 141 Experiment Station Road, Stoneville, MS

Collections of Beauveria bassiana isolates from Lygus spp. populations in the Mississippi Delta and San Joaquin Valley of California were evaluated for characteristics relevant to field efficacy and mycoinsecticide development. Evaluation criteria included; pathogenicity to L. lineolaris and L. hesperus , impact on beneficial insects, spore production, mycotoxin production, survival under solar radiation, and temperature tolerance. Based on these criteria one isolate from each collection was selected for field trials. Results of field test conducted in July, 2004 against populations in wild host plants will be presented.


Species 1: Heteroptera Miridae Lygus lineolaris (tarnished plant bug)
Species 2: Hyphomycetes Moniliaceae Beauveria bassiana (white-muscardine fungus)
Keywords: microbial biocontrol, area wide management

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