An enhanced lure for eastern populations of the North American spruce beetle, Dendroctonus rufipennis Kirby (Coleoptera: Curculionidae)

These data are counts of spruce beetles (Dendroctonus rufipennis Kirby), Eastern larch beetles (Dendroctonus simplex LeConte), and dubious checkered beetles (Thanasimus dubius F.) captured in multiple funnel traps in response to four different D. rufipennis pheromone lures, including two novel formulations. The data include results from two separate experiments conducted in Fundy National Park, NB, Canada in 2021 and Memramcook, NB, Canada in 2022.