Jason from Sheridan, Indiana writes
I need to spray my pine trees for boring beetles. How many ounces per gallon do I mix and is there a temperature when it's too hot to spray? It's going to be in the high 90's today.
When using Hi-Yield 38-Plus Insect Control 38% Permethrin for boring beetles the mix rate should be 1.6 fluid ozs. (3 1/4 Tablespoons) per gallon of water. Also, you would want to spray in the evening when the temperature isn't as high and sun isn't beating down on tree.
Answer last updated on: 06/22/2022