Research on the proper usage of the pheromone trap method monitoring and mass trapping of Ips typographus L. and Pityogenes chalcographus L. in the federation of Bosnia and Herzegovina

The purpose of this paper is to determine the number of installed synthetic pheromone baited traps for monitoring and mass trapping of 1ps typographus and Pityogenes chalcographus. the types of traps and pheromone dispensers and the propriety of used method on the site (trap position, trap distance of the nearest healthy spruce tree, trap height, etc.) are examined. The number of controlled traps was 1116; the number of those completely correctly placed traps was 223, that is 20 percent.