[Pollinator] FW: Concern about propylene glycol

[ivmpartners at comcast.net]

Exactly my reason for arguing against the constant mantra of "reduce pesticide use" without differentiating between an insecticide and an herbicide, or their relative toxicity.  If we are to restore native ecosystems from non-native invasive weeds, we need to responsibly incorporate the use of herbicides to control the pests and allow our native flora to germinate. 

Rick Johnstone, President 
IVM Partners, Inc. 
P.O. Box 9886 
Newark, DE  19714 

PH/Fax 302-738-9079 
cell: 302-299-5919 
www.ivmpartners.org 

IVM Partners is a 501-C-3 non-profit corporation operated exclusively for charitable, scientific, literary, and educational purposes to develop, educate professionals and the public with respect to, and apply best vegetation management and conservation practices and related activities. Donations using PayPal are welcome on our website: ivmpartners.org 


----- Original Message ----- 
From: "David R Smith" <David_R_Smith at fws.gov> 
To: pollinator at lists.sonic.net 
Sent: Monday, April 4, 2011 4:35:19 PM 
Subject: [Pollinator] FW: Concern about propylene glycol 


One should be sure of what chemical or compound they are discussing before raising concern and warnings about it.  I use tech-grade propylene glycol in my pollinator traps; the form used as a food preservative.  There are enough chemi-phobes out there without spreading misinformation.  There is a recent paper that discusses its use in insect traps: Nontoxic antifreeze for insect traps. Entomological News 119(4):361-365. 2008.  Besides dogs and cats should not be running loose outside where they can encounter dangerous substances anyway. 

Dave Smith 
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