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