Spinosad Landscape and Garden Insecticide RTS application to Arborvitae is 2 oz per gallon water. Be sure to apply until run-off. The specific amount per Arborvitae varies.
Spinosad Landscape and Garden Insecticide RTS is not harmful to bees once dry. To avoid having the bees come into contact with the spray when it is still wet, it is best to apply the Spinosad in the early morning or in the evening when bees are least active.
The amount of Spinosad in the Spinosad Landscape and Garden Insecticide RTS is really only enough to harm the small insects it is listed for and should not harm a snake.
No, Spinosad Landscape and Garden Insecticide RTS is not labeled for fungus in your lawn. It is labeled for various pests, including caterpillars.
We would recommend using Honor Guard PPZ Fungicide for fungus on your lawn. You will 0.5 - 4 oz per 1000 square feet. For the best recommendations, you will need to identify exactly what type of fungus is affecting your lawn so that you may find ways to adjust the conditions that are favoring the growth of that disease.
When using Spinosad Landscape and Garden Insecticide RTS, you will notice that the product is coming out because the bottle will be less full. You can try holding the bottle up to light to see where the fill line is, mark the bottle with a pen/marker to show where the product is on the bottle, then after using the product, you can compare how much product is left with the fill line that you marked.