Trying To Provide A Better Photo Of The Pests On The Brugs.

Question

I turned off some of the grow lights to get a clearer picture. I think this might help.

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Answer 1

I will answer on this one, and delete the original. This is a case of Aphids! Here are some articles that will help you:

https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm

https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm

https://www.gardeningknowhow.com/ornamental/trees/brugmansia/growing-brugmansias-in-containers.htm