On Jun 23, 2009, J_R_S from Carrabelle, FL wrote:
I have found one thing that sort of works. Forget all the commecial insecticide sprays that claim on the label to work on white flies. They don't. Not for more than a day or two and you have to poison everything in sight. But you can get relief by thoroughly soaking the tops and bottoms of ALL leaves on the infected plant(s) with a spray of liquid Spinosad D (Fertilome, Bionide and Green Light all make liquid concentrates of Spinosad D and a tablespoon makes a gallon of spray). Spinosad is a realtively safe organic compound that only attacks certain bugs and doesn't harm beneficial insects (although like anything you have to keep it away from water and bees). You can use it on fruits and vegetables up to 3 or 4 days before harvest. A thorough spray of it will make the tiny white creeps com... read more
On Mar 1, 2007, Xeramtheum from Summerville, SC (Zone 8a) wrote:
I find these mostly on hibiscus. A bad infestation last year almost destroyed a Confederate Rose hedge. I was unable to get them under control using insecticides and spraying with water.