Eastern Swamp Emerald (Procordulia jacksoniensis)

Eastern Swamp Emerald (Procordulia jacksoniensis)

Inhabits rivers, riverine pools, lakes and ponds

© 2011 DECCW, NSW; 2021 Ian Endersby and DragonflyPix.com

• Corduliidae: Key couplet 1 of 11

• 
• ● Hypertriangles generally free

• Corduliidae: Key couplet 2 of 11

• 
  
• ● Three crossveins between sectors of arculus basal to fork of Rs in hindwing
  ● Bridge crossvein at subnodus
  ● Ovipositor short, less than half length of tergum 9
  
  ⇒ genus: Hemicordulia and Procordulia

• Corduliidae: Key couplet 3 of 11

• 
• ● Top of frons brown or black with metallic blue-green reflections

• Corduliidae: Key couplet 4 of 11

• 
  
• ● Black mid-dorsal band not strongly constricted at supplementary transverse carina on abdominal segments 6 and 7
  ● Male superior appendage without spine

• Corduliidae: Key couplet 5 of 11

• 
• ● Male with auricles
  ● Anal border of male hindwing angulated
  ● Mid-dorsal black stripe on female abdomen not constricted at supplementary transverse carina on segment 4
  
  ⇒ genus: Procordulia

• Corduliidae: Key couplet 6 of 11

• 
• ● Superior appendages of male slightly convergent, with strongly divergent tips
  ● Intersegmental membranes between abdominal terga 3-4 to 7-8 orange-brown
  ● Female occiput not swollen behind
  
  ⇒ species: Eastern Swamp Emerald (Procordulia jacksoniensis)