No, they are not good & not good for pecan trees either of which we have 80. So I found this non toxic method of dealing with them: http://nfrec.ifas.ufl.edu/Mize...
And I think I saw something about some kind of parasitic control which I will also pursue.
I am a strong believer in the simple fact is that what matters in this life is how we treat others. I think that's what living is all about. Not what I've done in my life but how I've treated others. ~~ Sharon Brown