Quebec’s Ministry of Forestry, Wildlife and Parks has released their annual aerial survey report on the status of defoliation by spruce budworm in the Province of Quebec. The report is available here (in French).
Citation:
MINISTÈRE DES FORÊTS, DE LA FAUNE ET DES PARCS (2018). Aires infestées par la tordeuse des bourgeons de l’épinette
au Québec en 2018 – Version 1.0, Québec, gouvernement du Québec, Direction de la protection des forêts, 20 p.