DE for harlequin bugs

Chris Sawyer css at ioa.com
Fri May 24 08:17:11 EDT 2002


DE is non selective also. It too will kill the beneficials, but in my
opinion it is easier to do spot treatments with it. I use the water
soluble kind and spray with a gasoline backpack sprayer which gets all
surfaces fast. It is rather slow acting at least on my flea beetle
problem.

Chris

Nan Johnson wrote:

> I too am loathe to use pyrethrins or rotenone since they kill
> beneficials, but literature says they break down fairly quickly -
> true?
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