Cover photo by Gary Brown. Find the Brown Duskhawker in the FBIS database (Freshwater Biodiversity Information System) here. Family Aeshnidae Identification Very large Length up to 77mm; Wingspan attains 114mm. The sexes are very similar but males are slightly brighter, have a 4-celled anal triangle and a narrower waist. The Brown Duskhawker is most likely … Continue reading Brown Duskhawker (Gynacantha villosa)