Photographed in fall 2005. The Texas Wild Olive (Cordia boissieri, also known as Mexican Olive or Anacahuita) is a real magnet for insectivores, bringing in as diverse a crowd as Anna's Hummingbird, Two-barred Flasher (Astraptes fulgerator) and Obscure and White-lined Sphinx moths (Erynnis obscura and Hyles lineata). The critter photographed above (on the left-hand side of the photo) was feeding on the same tree as one or two White-lined, but is obviously something different. Unfortunately, this photo may not be good enough to determine what, maybe I should just frass it...