Go international on the web. The University of California, Davis and the University of Oregon have all you would like to know about this pest. The American Fuschia Society website is a great source too.

They don't have much on it, Badfish, because so far, there's no remedy but to get rid of the infected plants, although if you have time and dedication, keeping a close watch and removing any infected growth as soon as it appears will keep them going. You might be interested to read this, from the British Fuchsia Society

http://www.thebfs.org.uk/textfiles/fuchsia-gallmite.pdf

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