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1 August 2007 Potential Management Strategies for the Linden Borer (Coleoptera: Cerambycidae) in Urban Landscapes and Nurseries
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The linden borer, Saperda vestita Say (Coleoptera: Cerambycidae), is a native insect species that is common throughout north central and northeastern North America. Over the past decade, increasing occurrence of damage associated with the linden borer has been reported on Tilia spp. in city street trees and nurseries throughout Wisconsin, probably because of increased use of these trees. Our objective was to gain a better understanding of the seasonal biology and potential management strategies for this important pest. We evaluated the effectiveness of three systemic insecticides, imidacloprid, thiamethoxam, and disulfoton, and a mechanical control method of chipping linden borer-infested wood as a means of reducing S. vestita larval survival, subsequent emergence, and oviposition. Autumn and spring soil injections of imidacloprid to linden borer-infested Tilia cordata‘Greenspire’ nursery stock (< 11.4 cm in diameter at breast height [dbh]) provided >90% control. Autumn soil injections of imidacloprid and thiamethoxam and a spring granular soil application treatment of disulfoton applied to larger (>22 cm dbh) Tilia spp. did not effectively control linden borer at the application rates tested. Chipping infested Tilia spp. effectively destroyed linden borer larvae, pupae, and adults. Arborists and landscape managers should consider chipping felled Tilia spp. trees infested with S. vestita to prevent adults from potentially attacking nearby susceptible trees.

T. A. Johnson and R. C. Williamson "Potential Management Strategies for the Linden Borer (Coleoptera: Cerambycidae) in Urban Landscapes and Nurseries," Journal of Economic Entomology 100(4), 1328-1334, (1 August 2007).[1328:PMSFTL]2.0.CO;2
Received: 10 March 2006; Accepted: 8 March 2007; Published: 1 August 2007

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