Visually, this appears to be a reasonable Two-Striped Forceptail. See Abbott's Plate 31d. And the geographic distribution fits. The light-light-dark, light-light-dark coloration of the abdomen is a match. Abbott (180) writes that "This is the most distinctive and easily recognized of our forceptails. Two-Striped Forceptail generally has two broad, yellow lateral thoracic stripes." This is one of BugGuide's Two-Striped Forceptails. July 17, 2010.