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://parisnaturalfoodes.shop/product-category/pro-bph-prostate-formula/