Figure 2. Reduced release rate pheromone dispenser. A 2 in Effects of Ultraviolet Light and Pheromone Release Rate in Trapping Coconut Rhinoceros Beetles, Oryctes rhinoceros (Coleoptera: Scarabaeidae), on Guam

Figure 2. Reduced release rate pheromone dispenser. A 2 mm hole in the tops of the Eppendorf centrifuge tube allows a slow release of the attractant oryctalure. The bottle shown acts as a rain and wind shield. This entire release device is placed within a bucket trap for field deployment.