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Re: Aphid plant preferences

A day or two ago someone asked if there were any floating plants
which aphids would not decimate. I've had an aphid problem for
some time, and while your aphids may belong to a different clan
than mine, here are my observations. 

They love salvinia minima and most emergent stem plants which
are attacked as they grow at or above the water surface. This
includes the rotalas, the hygros, bacopa caroliniana, vallisneria,
nesaea, swords, hornwort, etc. They pay little attention to water
sprite and water lettuce. That doesn't leave much does it?

Dave Whittaker
ac554 at FreeNet_Carleton.ca