Product Q&A

Answer:

Bifen XTS is applied at the rate of 2.0 pints of product per 100 gallons of water. If you only need to mix 2 gallons at a time you will 0.64 oz of Bifen XTS diluted in 2 gallons of water. Treat the main trunk from the base of the tree to at least halfway into the live crown spraying the tree directly and until the bark is completely wet (usually 1 to 4 gallons of spray per tree).   Please review the full product label for more details and reference the Trunk Sprays on Ornamental Trees Section on page 20 for specific information.  Unfortunately, there is no easy solution when it comes to oak beetles. Healthy trees can be protected before the beetles attack by topically spraying them with a synthetic pyrethroid like Bifen XTS.  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. You should contact your local cooperative extension office to find out the best time to start spraying in your region. 
 

Answer last updated on: 08/24/2021

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