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J Invertebr Pathol. 2011 Nov;108(3):217-9. doi: 10.1016/j.jip.2011.08.005. Epub 2011 Aug 27.

Identification of a nucleopolyhedrovirus in winter moth populations from Massachusetts.

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Department of Plant, Soil and Insect Science, University of Massachusetts - Amherst, Amherst, MA 01003, USA.


Winter moth, Operophtera brumata, originally from Europe, has invaded eastern Massachusetts causing widespread defoliation and damage to many deciduous tree species and a variety of crop plants in the infested area. We identified O. brumata nucleopolyhedrovirus (OpbuNPV) in winter moth larvae collected from field sites in Massachusetts by using PCR to amplify a 482 bp region of the baculovirus polyhedrin gene. Viral sequences were also detected in winter moth pupae that failed to emerge, suggesting that these insects may have died as a result of viral infection. This represents the first report of OpbuNPV in winter moth populations in the US.

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