SBW L2 and L4 samples from Ottawa River valley, North Shore and New Brunswick 1998-2022 (English, French, XLSX)

Load this English/French XLSX resource into a live table: SBW L2 and L4 samples from Ottawa River valley, North Shore and New Brunswick 1998-2022.

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XLSX

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Publisher-reported update

2023-07-10

Counts of SBW larvae collected in the fall as L2 or in the following spring as L4, from 75-cm branches or 45-cm branch tips (respectively) of balsam fir in the Ottawa River valley from 1998-2001, North Shore 2008-2010, and New Brunswick 2017-2022. Defoliation measured at the end of the feeding period after the L4 sample. Data linked to scientific paper: Régnière, J., Johns, R., Edwards, S., Owens, E., Dupont, A., 2023. Overwintering spruce budworm population density as predictor of following-year larval density and defoliation on balsam fir. For. Ecol. Manag. (submitted).

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