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lilnsam

Best treatment for arborvitae borers?

lilnsam
9 months ago
last modified: 9 months ago

I have some arborvitaes that appear to have been attacked by round-headed borers. We've had two different companies come out to take a look, and received two different options for pesticide treatment.

I absolutely hate the idea of having to use pesticide (we don't use it anywhere else) but feel like I have no choice here, as we've been told there is no other option. Here are the two treatments we were presented with:

- Imidacloprid (Merit)

- Dinotefuran (Transtect)

I'm trying to decide which would be the lesser of two evils in terms of safety, and which would be most effective against round-headed borers, but am at a loss for information to help make this decision.

Would welcome any advice should anyone have familiarity with this issue or similar. Thanks!!!

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