Cover photo by Bart Wursten. Find the Zambezi Siphontail in the FBIS database (Freshwater Biodiversity Information System) here. Family Gomphidae Identification Large size Length attains 57mm; Wingspan up to 73mm. The Zambezi Siphontail is strikingly marked in lime-green and brown. The thorax is green with narrow brown lines on the top and sides. The abdomen … Continue reading Zambezi Siphontail (Neurogomphus zambeziensis)