Can someone explain to me why there is such a fixation on wiping out gypsy
moths. They did a BTK aerial spray here in Victoria BC last year under
threat of the US disallowing wood imports from here. This year parts of
Vancouver are being sprayed.
When I checked in the library the Gypsy Moth is a problem for deciduous
trees, not conifers which are the West Coast commercial lumber trees.
Moreover, it has been in the US East since the 1800's. There are still
deciduous forests there last time I looked.
----- Original Message -----
From: Liz Pike <firstname.lastname@example.org>
Sent: Thursday, March 23, 2000 12:19 PM
Subject: gypsy moths/parasitoids
> I need information on biological controls of gypsy moths. I've
> exhausted 3 libraries, internet & 2 entomologists--Any states/farms
> using/experimenting with parasitic wasps, flies, beetles, viruses,
> predators, etc?? Do you use these controls as opposed to or in
> addition to spraying programs?? If you spray what do you use?? I
> also need information on long term problems from Bt v.
> k.--for the environment or humans. It's fairly
> innocuous I know, but are there problems with continuous spraying??
> Can it be used over residential areas?? Continuously??
> I understand plants with small flowers are the most attractive to
> parasitoids. One experiment from the University of Oregon found
> these provide the best food sources--catnip, yarrow, dill, annual
> alyssum, cilantro, mustard, buckwheat and Korean licorice mint. Any
> other plant varieties?? What about flowers??
> Any other suggestions for community gardens wishing to aid in the
> biological control of this pest?? (I hate to even call them
> pests---they are exquisite creatures!)
> Liz Pike
> Morningstar Gardens
> Pollocksville NC
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