The guy at top (who was later eliminated by my boy) was found when I noticed holy leaves, little black poopies on the leaves, and tiny translucent eggs left on the leaves. They are hard to find, you really have to look closely.
Here's a great link that tells you more: Yardener Info on Horworms.
I am off to Home Depot to buy some BT (Bacillus thuringiensis), the only organic product I have found that is eefective in controlling these beasts. Oh, other than this guy:
Make it a Great Day!Ann