Large roaches love mulch and mulch like substances low to the ground. if you 
can get under the mulch layer to the bottom and place Niban granules and a fine 
layer of the proper sized (microns)silica gel dust I think you will see great 
results. As long as the collection insects are in cages this should work. I 
would make sure you evaluate the use of Niban ,,the amorous silica gel dust, 
and the procedure with the zoo vets and keepers to be sure everyone approves of 
the treatment plan. 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 [email protected]<mailto:[email protected]>





[X]

On Aug 6, 2019, at 5:18 PM, Jef Taylor 
<[email protected]<mailto:[email protected]>> wrote:

Tom Parker I sometimes use a fipronil gel bait, and have used a granular boric 
acid bait in the past. Here's what happened when I googled baygon: " Baygon 
Bait<http://www.pestproducts.com/baygonbait.htm> is no longer available.  
Baygon was great insect bait to use for indoor cricket infestation and to help 
eliminate large roaches."

On Tue, Aug 6, 2019 at 5:15 PM 'Thomas Parker' via Museumpests 
<[email protected]<mailto:[email protected]>> wrote:
Have you considered Baygon cockroach bait?

Tom Parker

On Aug 6, 2019, at 2:57 PM, jefctaylor 
<[email protected]<mailto:[email protected]>> wrote:

Has anyone else dealt with the challenge of controlling roaches in areas that 
happen to display live insects? The keepers are understandably concerned that 
not-yet-dead roaches will get into the insect exhibits and bring the 
insecticide/diotomaceous earth/ boric acid/ et cetera (depending on what I end 
up using) with them.

It is an area with other live animal exhibits, so sources of food and water are 
abundant, as well as nice warm harborages.

I don't think there is an easy answer, but I'd love to hear if anyone else has 
faced this issue, and what they did.

Thanks!

Jef Taylor
IPM Specialist
Zoo New England

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