I know the “Grape Leaf Skeletonizer” sounds like the perfect ghoul for Halloween. Indeed, this unwelcome trick-or-treater did come dressed in the most fabulous costume.

I was outside arranging my grape vines and enjoying the cooler weather when I came upon these lovely caterpillars.  They are Grape Leaf Skeletonizers (Harrisina metallica).  Despite their beauty, they are unwelcome visitors to my garden.  (Especially since I spent the summer picking caterpillars off my defoliated passion vine.)