Cover photo by Diana Russell. Find this species in the FBIS database (Freshwater Biodiversity Information System) here. Family Libellulidae Identification Large size Length up to 67mm; Wingspan attains 82mm. The male Long Skimmer is unlikely to be mistaken for another species. The combination of its size, distinctive shape and dark greyish-blue colour render it unmistakable. … Continue reading Long Skimmer (Orthetrum trinacria)