[permaculture] White flies in the greenhouse

Scott Pittman scott at permaculture.org
Fri Mar 26 17:36:37 EDT 2010


I have the same question about mealy bug.  Help!!

Scott Pittman
Director
Permaculture Institute
www.permaculture.org

-----Original Message-----
From: permaculture-bounces at lists.ibiblio.org
[mailto:permaculture-bounces at lists.ibiblio.org] On Behalf Of Stephen Sherman
Sent: Friday, March 26, 2010 1:13 PM
To: permaculture
Subject: [permaculture] White flies in the greenhouse

After reading the aphid in the GH thread, I thought I would ask about a 
similar problem I am having, white flies.

White flies tend to be a persistent problem in my GH, worse in the 
warmer months, almost disappearing in winter but they always reappear 
the next spring. I've tried various things: yellow sticky cards, soap 
sprays, etc but nothing seems that effective for any length of time. 
Without continuous battle the white flies quickly rebuild their 
population levels.

Any thoughts about control methods or predators that would be effective 
in a year round cool temp GH?

TIA
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