To my surprise, only one hornworm remained. And it didn't look normal. It had had some rather weird growths on it. There were little white pods all over it. They looked like little grains of rice. The hornworm didn't move, so I figured it was dead.
I pulled all of the plants out to the stream bed and noticed that the nasty little rice-covered worm started to move slowly. I was happy that it was now far away from the house!
I rushed into the house, turned on the computer, and searched "what is on this hornworm?" Seriously. That was my search phrase. Turns out, these little grains of rice are actually wasp cocoons. It is a parasitic wasp -