D. Christopher Rogers
Invertebrate Ecologist/Taxonomist
((,///////////=====<
EcoAnalysts, Inc.
(530) 406-1178
707 Dead Cat Alley
Suite 201
Woodland, CA 95695 USA
? Invertebrate Taxonomy
? Invertebrate Ecological Studies
? Bioassessment and Study Design
? Endangered Invertebrate Species
? Periphyton/ Phytoplankton
? Zooplankton
Moscow, ID ? Bozeman, MT ? Woodland, CA ? Joplin, MO ? Selinsgrove, PA
www.ecoanalysts.com
-----Original Message-----
From: aroid-l-bounces at gizmoworks.com
[mailto:aroid-l-bounces at gizmoworks.com]On Behalf Of John Ludwig
Sent: Monday, August 20, 2007 2:28 PM
To: Discussion of aroids
Subject: Re: [Aroid-l] White Fly on Pycnospatha and others
Thank you Christopher,
Thanks for the advice, If I bump an affected plant the flies take off
for the nearest object they find. I will start using this right away,
great idea. Thanks again Christopher.
John
On 8/20/07, D. Christopher Rogers wrote:
> Hello John!
>
> I had white flies in my typhoniums and tomatoes in my greenhouse about
three
> years ago. I used tangle traps and they were very effective. A tangle trap
> is a bright yellow piece of card stock covered with an adhesive. The white
> flies were quite happy to land on the traps and become instant permanent
> fixtures. There are no pesticides, chemicals, or residues. I would just
> punch a hole in one end of the card stock and suspend it above the
infected
> plants. When I had finished placing the first trap, I had already
captured
> three or four.
>
> Now the traps must be left up for several weeks after the white flies
> disappear. This is because the larvae left on your plants may not have
> matured yet. When they do, they also will fly to the traps.
>
> Happy days,
> Christopher
>
> D. Christopher Rogers
> Invertebrate Ecologist/Taxonomist
> ((,///////////=====<
>
> EcoAnalysts, Inc.
> (530) 406-1178
> 707 Dead Cat Alley
> Suite 201
> Woodland, CA 95695 USA
>
> ? Invertebrate Taxonomy
> ? Invertebrate Ecological Studies
> ? Bioassessment and Study Design
> ? Endangered Invertebrate Species
> ? Periphyton/ Phytoplankton
> ? Zooplankton
>
>
> Moscow, ID ? Bozeman, MT ? Woodland, CA ? Joplin, MO ? Selinsgrove, PA
> www.ecoanalysts.com
>
> -----Original Message-----
> From: aroid-l-bounces at gizmoworks.com
> [mailto:aroid-l-bounces at gizmoworks.com]On Behalf Of John Ludwig
> Sent: Friday, August 17, 2007 3:45 PM
> To: Aroid-L
> Subject: [Aroid-l] White Fly on Pycnospatha and others
>
> I have just noticed today for the first time that I have White Fly on
> my Pycnospatha. I have checked all other plants and also found them on
> a few Amorph's.
>
> I have just placed a new Amorph to my collection in the same area and
> suspect that it had the White Fly infestation. It was obviously a very
> recently potted, not well established plant. I check my plants every
> day and yesterday when I added this new arrival to my collection there
> was no infestation.
>
> I have since sprayed the underside of the leaves of the affected
> plants with "Safer Insecticidal soap." Does anybody have a different
> method of dealing with this problem.
>
> My plants are growing outside and I would rather use a homemade
> solution to these kinds of problems if I can, as I will be moving
> these plants indoors in about 7 to 9 weeks.
>
> Thank you for your help,
>
> John Ludwig
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>
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