Beetles, tariffs and mill closures have cut into Canada’s share of the U.S. lumber market, lifting prices by about a third over the past year and shifting even more logging to the U.S. Southeast. About two billion board feet of annual lumber production has been curtailed by mills in British Columbia, much of it permanently. That equates to about 5% of North American lumber cutting capacity, according to Raymond James analysts. British Columbian mill owners have cited trouble obtaining logs at desirable prices due to wood-boring beetle infestations, harvesting restrictions related to caribou habitat ...