Commented: Italian prune tree leaf curlingYou should be able to see aphids during the daytime if they're there. If so, carefully spray with insecticidal soap (it typically works well on aphids).
However, if it's a fungus, and if this happens...
Commented: Help with select an organic pest controlI'm not organic, but it sounds like you're looking for something broad-spectrum and organic. Probably try a product with natural pyrethrins (such as a Garden Safe spray) first; if that fails, I believ...
Commented: millipedes in my rubber tree....Malathion!!Malathion concentrates are typically about 50% malathion and the remainder includes petroleum distillates as a substantial portion of the surfactant, which gives it a combination garlic-gasoline smell...