Climate change, Global warming, Climate, Ecology, Life Sciences, Plant Sciences, Phenology, Trees, Insects, conifers, Herbivores, Survival, Hydrology/Water Resources, Phytochemistry, Larvae, Emergence, Defoliation, Host plants, Needles, Pest outbreaks, Outbreaks, black spruce, Damage assessment, Spruce budworm, Lumber, Buds