We offer Verbenone pouches from two different manufacturers:
Contech Verbenone and BeetleBlock Verbenone
Although similar, the manufacturers recommend different application rates. A Study by USDA Forest Service has tested the two manufacturer's pouches and found that they are effective for differing amounts of time.
According to the study below, Contech pouches are effective for approximately 75 days. BeetleBlock Verbenone pouches are effective for 100-130 days.
The Bureau of Land Management purchased 30,000 Beetle Block pouches for 2010 and another 20,000 for 2011!
We offer pouches rated for the dollars it takes to treat a tree per the manufacturer's application guidelines. ie: $18.00/tree or $11.00/tree etc.
See the actual study here:
How to use Contech Verbenone:
For Mountain Pine Beetles, manufacturer recommends that you staple or nail the first Verbenone pouch 7 - 10 feet high (2m) on the north face of the tree just prior to beetle flight season (April to July, depending upon location). Attach the second pouch just prior to PEAK flight (usually July - August in the northern Rockies).
For Mountain Pine Beetles, manufacturer recommends that you staple or nail the first Verbenone pouch 7 - 10 feet high (2m) on the north face of the tree just prior to beetle flight season (April to July, depending upon location). Attach the second pouch just prior to PEAK flight (usually July - August in the northern Rockies).
How to use BeetleBlock Verbenone:
For Mountain Pine Beetles, manufactrurer recommends one application. Nail the BeetleBlock pouch 7 - 10 feet high (2m) on the north face of the tree just prior to beetle flight season (June 1 - July 1 in Mountain States).
For Mountain Pine Beetles, manufactrurer recommends one application. Nail the BeetleBlock pouch 7 - 10 feet high (2m) on the north face of the tree just prior to beetle flight season (June 1 - July 1 in Mountain States).
In a study produced by the USDA Forerst Service in Missoula Montana in 2007, it was found that the effeciiveness longevity for BeetleBlock Verbenone was higher and longer than the Contech Verbenone. Between May 19 and September 2007 at a mean temperature between 75.4 and 76.8 degrees, the BeetleBlock pouches lasted 103 days in sun and 131 days in shade while the Contech product only lasted approximately 75 days.. This duration of effectiveness probably accounts for Contech's instructions to treat the trees twice between April and September while BeetleBlock recommends only one application during peak flight time between end May and end June.
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