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Journal of Invertebrate Pathology 96 (2007) 93–96

Denny J. Bruck
USDA-ARS
Horticultural Crops Research Laboratory
3420 NW Orchard Avenue
Corvallis, OR 97330, USA

Vaughn M. Walton
Oregon State University
Department of Horticulture
4127 Agriculture and Life Sciences Building
Corvallis, OR 97331, USA