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Any recommendations for killing whiteflies?

Posted on 3/25/25 at 6:21 am
Posted by Loup
Ferriday
Member since Apr 2019
15538 posts
Posted on 3/25/25 at 6:21 am
I recently tried the below with no luck.



Last year I tried spinosad, permethrin, pyrethrin, and malathion. Didn't have any luck with any of them. It'd knock them back for a day or two then they'd be back. This is on a few citrus trees and some sweet viburnums.

Is there any product out there that has worked for you?
Posted by Spankum
Miss-sippi
Member since Jan 2007
60185 posts
Posted on 3/25/25 at 10:40 am to
I think whiteflies (and lots of other pests) have a very short i\life cycle. You might be killing adults and then another crop of eggs hatch. Might need to make a few applications to break the cycle.
Posted by BengalBlood81
Member since Oct 2014
1335 posts
Posted on 3/25/25 at 10:49 am to
Man they’re evil. You need something systemic. Try Merit granular
Posted by Loup
Ferriday
Member since Apr 2019
15538 posts
Posted on 3/25/25 at 11:12 am to
quote:

You need something systemic.


The Bioadvanced product I put on it is systemic, I'll check out the Merit too.
Posted by cgrand
HAMMOND
Member since Oct 2009
46111 posts
Posted on 3/25/25 at 11:14 am to
Posted by Deerhunter62
Member since Mar 2014
348 posts
Posted on 3/25/25 at 1:44 pm to
55% malathion works for me.
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