Cover photo by Wayne Johnston. Find this species in the FBIS database (Freshwater Biodiversity Information System) here. Family Libellulidae Identification Small size Hindwing – 22mm. The Stout Pintail is easily recognised as an Acisoma species by the swollen abdomen base that tapers off sharply from segment 6 down to the tip. The Stout Pintail is most similar … Continue reading Stout Pintail (Acisoma inflatum)