In garden world  BT can be used for bag worms  in/on ornamentals as well. We 
use to use it on evergreens with success. JTV






Joel Voron   Colonial Williamsburg Foundation

  Conservation Dept.

     Integrated Pest Management

      Office 757-220-7080<tel:757-220-7080>

        Cell 757-634-1175<tel:757-634-1175>

          E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org>





[X]

On Sep 27, 2021, at 8:33 PM, Angelica Isa-Adaniya <a.isa14...@gmail.com> wrote:


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Thank you, Thomas. It seems they will be using it in our little garden patch 
area where we have the prehispanic vegetables.

Best,
Angélica

On Mon, 27 Sept 2021 at 18:45, 'Thomas Parker' via MuseumPests 
<pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> wrote:
The spores of this bacterium must be eaten by a larva. Spraying walls is a 
waste of time and money. It’s primarily used for ground dwelling beetle larvae, 
such as Japanese beetle grubs.

On Sep 27, 2021, at 7:28 PM, Angelica Isa-Adaniya 
<a.isa14...@gmail.com<mailto:a.isa14...@gmail.com>> wrote:


Dear pest list,

I recently asked for a list of the fumigants that are intended for use at the 
museum soon, and one of them said "Cry" proteins / endotoxins and in the 
description it said something like (I translate roughly from Spanish): Spores 
and endogenous toxins of transconjugated Bacillus thuriengiensis. Varieties: 
tenebrionis, aisawai, kurstaki and israelensis.

I did a quick Google search and it seems to be used by organic farmers for 
specific caterpillars and flies, but I was wondering if any of you have 
experience with this in a museum context? I expect they'll just be spraying the 
wall edges or something like that. Is it worth letting them just use it or is 
there any particular reason why it might be a good idea if we didn't?

Thank you from Lima, Peru!

--
Angélica Isa-Adaniya | Conservator
Email | a.isa14...@gmail.com<mailto:a.isa...@gmail.com>
Feel free to connect with me on my Website<http://angelicaisa.com/> | 
Linkedin<https://www.linkedin.com/in/angelicaisaadaniya/> | 
Twitter<https://twitter.com/ConservaLlama> | Altminster<http://altminster.com/>

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