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Shari from Burbank Wa writes

Will Mallet 2F T&O Insecticide kill pine beetles?

Answer:

Mallet 2F T&O Insecticide is nor labeled for pine beetles. If you wish to spray the trunks of trees for pine beetles we would suggest a product like Permethrin SFR. According to the Permethrin SFR product label, you should 32 oz per 100 gallons of water and if you break that down to the smaller amount you need you will use 1.6 fl oz per 5 gallons of water for pine beetle control. The tree should be sprayed from the ground to 15 ft up the trunk to prevent future infestations.

Unfortunately, there is no easy solution when it comes to pine beetles. Infected trees should be cut down (before the newly hatched beetles fly out of the trees in the spring/summer) and the wood burned or chipped, while other still healthy trees should be sprayed annually to protect them. Because of the natural boring behavior of the beetle, they are protected from topically applied insecticides and systemic insecticides (those injected into the tree or applied as a root drench) have proven ineffective for pine beetle infestations. 

 

Answer last updated on: 05/31/2019

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