Those that I have had, usually greenfly, I have cured using a soft soap spray.
Copper copper compounds are used in fungicides and pesticides e.g. a traditional recipe is copper sulfate solution plus lime is used to kill greenfly.
Bug Gun for Gardens, 800ml Spray Multi-purpose insecticide which controls greenfly, blackfly, caterpillars, whitefly, aphids and thrips.
I was surprised to see so many greenfly on the roses this week and had to spray accordingly.
It is difficult to get lacewings to reproduce in the area applied so repeat applications maybe required if fresh greenfly or aphid populations appear.