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DE only affects small hard shelled insects like mites and aphids, etc. The microscopic granules are razor sharp causing slices in the insect shell as they crawl over it, causing them to lose their body fluids.
It has no affect on bees etc.
Hey man! Just wanted to chime in a bit about Diatomaceous Earth and it's effect on bees. It actually is still being very actively studied by a few different research institutions (Mostly funded by apple orchards). But so far it does seem some species of bee's can be negatively impacted by DE. Some species of bee that have longer, silkier strands of hair covering their bodies are not affect as much because the hair prevents most of it from entering their exoskeleton.
Diatomaceous Earth is, like you said, a microscopic glass like material formed from diatom shells. It will affect anything with an exoskeleton which is everything in the insect kingdom. There have been studies suggesting bees naturally learn to avoid places that have been treated with DE, but all this research is still in it's infancy and not conclusive yet.
As it stands DE has not been proven safe to all bee populations. Hopefully we will get more thorough research on this soon because WE NEED OUR BEES lol.
But DE is still better for our ecosystem than 99% of pest treatments out there Just wanted to keep people in the know.
Happy growing buds! :smoking:
A few articles to read about DE and Bees (none of these are actual studies from a research institution so be critical)
https://www.planetnatural.com/diatomaceous-earth-bees/
http://www.absorbentproductsltd.com/diatomaceous-earth-and-bees.html
https://www.wormfarmingrevealed.com/diatomaceous-earth-and-bees.html
Actual reputable article from a research institution that states some Bee species learned to avoid areas where Diatomaceous Earth has been applied.
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.494.926&rep=rep1&type=pdf
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