Cover photos by Alan Manson. Find the Common Threadtail in the FBIS database (Freshwater Biodiversity Information System) here. Family Platycnemididae Identification Small size Length up to 39mm; Wingspan attains 46mm Male Common Threadtails are recognised by their elongate and slender build, grey-blue, black and white colouration, and by their turquoise eyes. Females are easily confused … Continue reading Common Threadtail (Elattoneura glauca)