Re: CULT: Insects
From: Gerry Snyder <gcsnyd@loop.com>
> BOB & LESLIE LIDDIARD wrote:
>
> ....
>
> A few days ago I was out in the iris beds and discovered some kind of insect
> infestation on nearly all of my iris fans....
>
> The fans are covered with small white dots that are attached to the fans. It
> looks almost like scale, except larger (bigger than the head of a pin). You
> can brush them off, but they come right back.
Sounds a lot like the white flies that seemed to be taking over southern
California a few years ago. They mostly stayed on the undersides of leaves.
Brushing against a citrus tree would set a humongous cloud flying around
briefly.
Few chemicals did much of anything against them. Within a couple of years some
natural preditors of theirs were introduced (one was a teeny wasp, as I
remember), and they soon were under control (but not eradicated).
The particular kind of whitefly we had did not show much interest in iris, but
the MO sounds about the same.
I hope my guess is wrong. These beasties were bad news.
-Gerry, Mesmerizer lover
--
g*@loop.com AIS Region 15
Warm, winterless Los Angeles
President of San Fernando Valley Iris Society
My work? Helping generate data for http://www.jpl.nasa.gov/galileo
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