pest eating my leaves

Question

What can I do to get rid of this type of fly? Only at night these flies, which have a large area of gold on their backs. Must be hundreds of them.

Answer 1

These sound like Hover Flies, and they are actually a beneficial insect to the garden.
Here is an article with more information.

https://www.gardeningknowhow.com/garden-how-to/beneficial/hover-flies-in-gardens.htm