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Wed, 5 Jan 2005 21:43:20 -0600 |
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David,
Thanks for your message. What I have been told by several entomologists and knowledgeable pest control specialists is that spiders are far less susceptible to pest control chemicals than other invertebrate pests, and that the presence or absence of spiders is a good indication of whether or not you have suitable habitat for them (particularly food). But I am not a spider expert.
--John
-----Original Message-----
From: David Ryan [mailto:[log in to unmask]]
Sent: Wed 1/5/2005 9:20 AM
To: [log in to unmask]; Simmons, John E
Cc:
Subject: Re: Pest Infestation
Dear John,
I agree with every point that you are making regarding integrated pest
management and not indiscriminately using general pesticides, but I have
heard quite the opposite about spiders. I have been told that they are
the most sensitive creatures to pesticides and will be killed first. I
have also heard that they are "canary in the coal mine" indicators and
that if you have no spiders you probably have some residual pesticides in
the environment. Am I misinformed?
Sincerely,
David Ryan
Registrar
Colorado Springs Pioneers Museum
www.cspm.org
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