--- On Tue, 11/30/10, Kelly Simmons <kelly@bouldersustainability.org> wrote:
Hi Cory - After spending some time in
the tropics and contracting several bouts of e coli
infection, I have learned that it is CRITICAL to prevent
flies from entering latrines and especially! from leaving
them. Even with the seat down, they easily crawl
between toilet seats and the rim of latrines and exit the
same way, as they are attracted to light. This is true
of composting toilets and all other non flushing
latrines. Waste is not always perfectly covered by
sawdust or other carbonaceous materials in composting
toilets, and flies can carry disease, (i am assuming cholera
as well) out of the latrine or composting toilet to nearby
open air food supplies, food prep areas, counter-tops and
etc.
Flies can carry at least thirty contagious diseases.
Flies can multiply out of control when there is a lack of natural predators. This often happens in built up areas where their natural foes are exterminated on site.
Would it therefore be possible to encourage these useful critters in order to keep fly numbers down? Can people be educated not to exterminate wasps and centipedes on sight? Can lizards and toads be allowed to co habit with humans. Can spiders be allowed to do their job rather than being mashed whenever they are spotted?
In a situation like Haiti, is it possible to make a fly paper from natural materials. Perhaps a combination of a large leaf and a sticky sap? Did fly paper orginally have this kind of natural forerunner?
Chris
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