Hibiscus Mite ( Aceria Hibisci) , How To Control This Plague?

Question

development of galls in the leaves

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Answer 1

Miticides are available, but they also kill the beneficial predatory mites. Pruning the shrub will help. Also remove the worst leaves with galls.

Here is more information on their control:

https://www.ctahr.hawaii.edu/oc/freepubs/pdf/ip-7.pdf