My basil plant leaves are full of holes overnight. I see no bugs.
Basil Plant Problem
Certified GKH Gardening Expert
The most common culprit for this is slugs. They love basil leaves. They also come out at night, so seeing them is difficult. Read this article for some advice on getting rid of them: https://www.gardeningknowhow.com/plant-problems/pests/facts-about-slugs-and-how-to-kill-garden-slugs.htm