I have something eating my lantana leaves . I cant see anythimg on the leaf
Have you checked the undersides of the leaves for the culprit?
If it's just a little damage, you probably don't need to do anything but monitor it. The plant or hornets may be able to stop further attack (this according to Paul James, the Gardner Guy).
For some natural controls, here is a website.
Here is a link that might be useful: Golden Harvest Organics