HomeInstructionsUse the keyGroupsfamAnatomy
Order Odonata
(Dragonflies or Damselflies)
 
Check the following characteristics before continuing
 
     
Immature
  • Labium (lower lip) with extendable scoop

  • Usually short and filamentous antennae
Anisoptera (Dragonflies)
  • Broad abdomen with internal gills

  • Three triangular appendages at the end of the abdomen
Zygoptera (Damselflies)
  • Elongated and thin abdomen

  • Three caudal lamellae (gills) at the end of the abdomen