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Evil weevils

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achetadomestica:
The Bifenthrin is the only poison I have found that works,
imidacloprid did not work for me but is suppose to be effective.
The problem is the weevils live on oak trees and every other tree
in your yard. The bifenthrin kills everything but then in 5-6 weeks
you have another cycle. Even if you hit them for 2-3 months it's impossible
to hit every tree in my yard and get rid of them. If I did my neighbors
trees would eventually reinfest my trees? I definitely don't spray the bifenthrin
on trees flowering or have fruit. I do use it allot on my small trees but it's
a temporary fix. I also used the nematodes and it helped for 6 months but
eventually the weevils came back. Frustrating

Tropheus76:
I use Andora(something) root drench, I believe its some sort of imaclorid. If I see them I mix some in a five gallon bucket and dump it all around the roots of the tree. Then I dont see any for awhile. The worst I see them is on my Lemon Zest mango and on my Brogden avocado. They ignore my other varieties. They were pretty heavy on my key lime as well but its gone now, that last cold snap last year finished it off. I also remove any I see by hand. Shake a branch and their natural reaction is to drop off and they are easy to pick up. If its day time I throw them in the canal and the bream will eat them, if at night I squish them on pavement. This seems to keep them at bay.

Note, defoliating a tree isnt just cosmetic, I have learned from experience dealing with snakehead caterpillars that it will absolutely stunt the growth and hurt the health of the tree.

pineislander:
Mango can easily overcome some leaf damage so I don't worry about weevils. Who knows what the roots look like but even with heavy weevils mangos still do fine. Leaf damage is much heavier on Lychee and Longan, still they bear.
The damage seems to be selective, not all mangos get eaten, other varieties in the same grove are unaffected. I notice that stressed trees get eaten worse.

EddieF:
Appreciate everyones input.
Galatians522, i see there's a few different kinds of Nematodes.  They look to be worth trying.  Know which one  to get?

Ed

achetadomestica:

--- Quote from: EddieF on December 08, 2022, 10:08:10 AM ---Appreciate everyones input.
Galatians522, i see there's a few different kinds of Nematodes.  They look to be worth trying.  Know which one  to get?

Ed

--- End quote ---

 Steinernema feltiae

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