Pheroprax Premium Ampoule for European Spruce Beetles Chalcoprax® Ampule (for Bark Beetles) Neudomon Plum Maggot Trap Refill Set Neudomon Apple Maggot Trap Refill Set Witasek Trypowit pheromone for striped timber bark beetle Witasek Cembräwit pheromone for larch bark beetles Witasek Ipsowit pheromone for spruce bark beetles Witasek Chalcowit pheromone for six-toothed bark beetles