What's Eating My Sweet Basil?

Herbs generally are rather problem free plants in the garden yet this year I have encountered more problems with herbs than in previous years.  The oregano has been attacked by spider mites and fungus gnats.  Earwigs attacked the potted parsley and I just discovered an unidentified caterpillar attacking the potted sweet basil.  I'm hoping this isn't a sign of things to come for this growing