Brugmansia that has leaves that overnight are riddled with holes and twoof the larger leaves had fallen off.

Question

the pests that I could see on some of the leaves were tiny and black with a little yellowish color on them. They didn’t match any of the pests that you had mentioned or shown from checking out your articfle. What can I us4e to get rid of them and save my plant?

Answer 1

Treat your plant with Neem Oil.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm