Hibiscus White Bugs

Live in Florida and my plant is located on our screened in pool area. Get's plenty of sun and I guess is an outdoor plant.
I have small white bugs in my hibiscus buds and leaves. Just planted it about 1 month ago. The plant is still blooming but many leaves have turned yellow and have fallen off leaving the bush look very bare and sickly.
I sprayed some insecticidal soap on it about 1 week ago and then during the week I have been spraying the leaves and buds off with a jet of water.
It looks like the leaves are starting to grow back towards the ends of the bush but the middle of the plant is still very bare. Plus the bugs are still there, it seems like I am just keep the population under slight control.
I was thinking about letting some lady bugs go in the yard to eat the bugs and also spraying the soap again too.
I also need to fertilize it as well.
What order should I do this in and is there anything I am missing or should avoid? Further, how long should I wait in betwene treatments / steps? Any help is greatly appreciated.
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On Thu, 16 Aug 2007 00:01:10 -0000, RRR

I'll guess white fly and refer you to a page here:
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7401.html
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Products containing imidacloprid will get rid of white flies. Otherwise, you would have to spray soaps or detergents every 3 days or so to catch the white flies in their various stages -- and you must spray the undersides of the leaves, too. Imidacloprid producrs can also trigger spider mites, but the WFs are worse.
See http://trop-hibiscus.com for lots of information on tropical hibiscus.
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