MCH Bubble Caps for Douglas Fir Available

AVAILABLE NOW FOR PURCHASE! By A Local Montana Dealer.
BEETLEBLOCK MCH EPA Registered Product 2015 The antiaggregation pheromone, BEETLEBLOCK MCH, is highly effective in repelling Douglas fir beetle, Dendroctonus pseudotsugae, and preventing the infestation of trees by Douglas fir beetle.
MCH has been used operationally in the Pacific Northwest and Rocky Mountains since 2000 to protect high-valued trees and stands from Douglas fir beetle infestation.
MCH is applied in the spring before Douglas fir beetle flight, which usually begins between late April and mid-May in the interior Pacific Northwest and Rocky Mountains depending upon weather and elevation.
The pheromone is formulated in plastic bubble dispensers that are stapled to trees in a grid pattern in the area to be treated.
The pheromone elutes from the bubble dispensers throughout the main flight period which occurs between mid- May and early July, Because Douglas fir beetle outbreaks last several years, stands need to be treated each spring as long as Douglas fir beetle populations remain high.
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