Q.lilac pests
My lilac bush has little green worms and black bugs. The leaves are closed up and inside something is eating them. I prefer an all natural spray because I have bird nests in the tree above and water feature below.
Please advise and thank you.

Neem Oil is an organic and safe for people, pets and Bees treatment.
Here are some links with more information.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
https://www.gardeningknowhow.com/ornamental/shrubs/lilac/common-lilac-problems.htm