Evaluation of the efficacy duration of different types of pheromone dispensers to lure Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae)
P. Zahradník, M. Zahradníkováhttps://doi.org/10.17221/15/2014-JFSCitation:Zahradník P., Zahradníková M. (2014): Evaluation of the efficacy duration of different types of pheromone dispensers to lure Ips typographus (L.) (Coleoptera: Curculionidae: Scolytinae). J. For. Sci., 60: 456-463.
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. typographus; the efficacy of ITPheagrExtra was partly similar. The others areeffectivefor a declaredperiod ofefficacy, with the exception ofdispenserPheropraxA, which initiallyhad a very good level of catches, butsoonsubsided, and the efficacydid not reach eitherthetimeorthe efficacy ofallthe declaredshelf-life. Overall,themost effective dispenser was ITEcolureMegaand dispensers ITEcolureTubusandFeSexTypo showed a similar efficacy. Completelyunsuitablefor the trapping of I. typographuswere found to be combineddispensersPCHITEtokapandPCITEcolure.Keywords:
forest protection; spruce bark beetle; efficacy; trapping