It's true what the book says - they eat, and eat, and eat, and eat, and eat.......
And then, right on schedule according to the directions, they assumed the "J" position.
And then as soon as no one was around to see them, they would construct a nice cozy bed for themselves. The white spider-web like design you see here on the glass is actually the dew-covered trail made by the caterpiller.
We were stunned to see the "ring of gold" that formed. Since this was a project that I was primarily responsible for (because if it was unsuccesful, I wanted that to be my burden alone), many people would ask me what the gold is. I have no idea, and while I have a certain level of scientific curiosity to know just what this substance is and why it would form, I easily let that go in favor of thinking of it as A Magic Miracle, and was content with just marvelling at its breathtaking beauty.