Sometimes our plants have been loses their leaves and we do not have idea who have been making damage or have been eating them.
But here we found the responsable of this damage, it is a lot of bugs which took the leaves for food.
Well the answer to the question are the butterflies, those animals in their period of growing, the eggs were puting in the leaves, and when the time is ready the eggs were burn the big and the bugs have been taking the leaves for food, it could generates a little loses in the production, but remember all creatures in the nature have right to lives.
Thanks for coming English mistakes are my.