SPLAT Verb is an
environmentally friendly repellent that provides sustained
and controlled release of the verbenone anti-aggregation
pheromone. Verbenone is naturally produced by MPB
and by several other species of bark beetle towards the
end of a mass attack. The presence of verbenone signals
new MPB approaching the infested tree that it is already too overcrowded to serve as a suitable host.
Synergy Shield MCH Bubble Caps, Douglas-fir Beetle Repellent uses MCH – a naturally occurring anti-aggregation pheromone of the Douglas-fir beetle to protect trees from attack by Spruce, and Douglas-fir beetles.Active Ingredients: 3-methyl-2-cyclohexen-1-one 97.9% (500 mg)EPA Signal Word: CAUTION / PRECAUCIONApplication Rate Range: 1 or 2 /tree, 40 /acre Container Size(s): Min. Order 10 pcs. FREE US Shipping