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Question about "fogging"

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Question about "fogging"

Postby Bessie » Mon Dec 29, 2008 11:33 am

Hello community :D

I just found this forum and I was looking for information on "fogging". I only have a general understanding of what it is but I can't find any information on it. Basically it's the method of where inhalational anesthesia is administered into an area of a forest in order to collect specimens of invertebrates or other species. My teacher told me that it's "fogging", but I'm guessing there is another term for it since I'm getting no where with the term.

I'm asking this because my extended essay is about general anesthetics on invertebrates. I already did the experiment where I used 3 general inhalational anesthetics and my teacher suggested that I talk about this "fogging" and like talk about what anesthetic would be effective etc. If anyone has other aims or research questions they could suggest regarding my experiment I would be very happy :D

Thanks again
Bessie
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Re: Question about "fogging"

Postby blcr11 » Mon Dec 29, 2008 1:04 pm

I've only heard of "fogging" with respect to the application of insecticide. I'm not aware that it is used to apply anesthetics, unless fogging also refers to generally making an aerosol out of a powder. Pyrethrum (powdered Chrysanthemum flowers, basically) is a natural insectide. When ground into a fine powder and forced through a nozzle at high pressue, pyrethrum forms an aerosol that looks a lot like fog as it is being applied. It blankets a small area, killing en masse all insects in the area--all of the pyrethrum-sensitive ones, at least. The method is used in mosquito control programs to survey for the numbers and types of species in an area.Typically, you fog the bedrooms of selected houses as an alternative to, or in addition to, field trapping. Fogging is also used to do surveys on general insect populations. You fog a tree, say, with pyrethrum and collect and identify all the insects that fall into whatever you're using to catch what falls out of the tree. The nice thing about pyrethrum is that it is biodegradable. But it isn't an anesthetic, so if it's an anesthetic technique you're looking for, then I don't know.
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Re: Question about "fogging"

Postby Bessie » Mon Dec 29, 2008 2:41 pm

First of all thanks for replying! Now I think what you said in the following passage is what suits the description my teacher said the best.
blcr11 wrote:Fogging is also used to do surveys on general insect populations. You fog a tree, say, with pyrethrum and collect and identify all the insects that fall into whatever you're using to catch what falls out of the tree. The nice thing about pyrethrum is that it is biodegradable.


So I'm guessing you can use any chemical on the area to survey the population(not just pyrethrum) which in my case is just anesthetics, or am I missing something here?

Also, is there another term that it's called or can you direct me to any websites that I can read up on the topic?

Thanks once again :D
Bessie
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