We presentthe results oftesting10pheromonedispensersused to lure the sprucebark beetle-Ipstypographus(Linnaeus. 1758). A comparisonwas made between boththeir efficacyand also the decrease intheir efficacyafterapplication. DispensersPheagrITand ITEcolureTubusare effectivethroughout the wholeflightactivity ofI. https://www.ealisboa.com/great-pick-BERKLEY-POWER-WORM-7-100-PACK-super-buy/