Flame-headed Riverdamsel (Pseudagrion ignifer)

Flame-headed Riverdamsel (Pseudagrion ignifer)

Inhabits streams and rivers

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

• Coenagrionidae: Key couplet 1 of 54

• ○ Damselflies without this combination of characters

• Coenagrionidae: Key couplet 14 of 54

• 
• ● Anal vein leaving wing margin well basal to the level of Ac in both wings, so there is a basal segment of anal vein about the same length as Ac

• Coenagrionidae: Key couplet 15 of 54

• ○ Hindwing longer than 22 mm

• Coenagrionidae: Key couplet 16 of 54

• ○ Abdominal segments 2-4 bronze-black above
  
  ⇒ genus: Pseudagrion

• Coenagrionidae: Key couplet 18 of 54

• ○ Synthorax with extensive brown to yellow areas, sometimes pruinescent

• Coenagrionidae: Key couplet 20 of 54

• ○ Face yellow or orange-yellow
  ○ End of abdomen either blackish brown, often pruinescent, or bright blue on much of segments 8-9

• Coenagrionidae: Key couplet 21 of 54

• ○ Front of synthorax black or brown

• Coenagrionidae: Key couplet 22 of 54

• 
• ○ Face of mature individuals orange to red
  ● Caudal face of male superior anal appendages more than twice as long as wide
  
  ⇒ species: Flame-Headed Riverdamsel (Pseudagrion ignifer)

• Coenagrionidae: Key couplet 23 of 54

• 
• ● Abdominal segments 3-5 brownish black above except for narrow, pale band at extreme base
  ● Lateral margin of dark upper surface almost straight

• Coenagrionidae: Key couplet 24 of 54

• ○ 12-15 postnodal crossveins

• Coenagrionidae: Key couplet 25 of 54

• ○ From New South Wales and from Queensland, except Cape York Peninsula
  
  ⇒ species: Flame-Headed Riverdamsel (Pseudagrion ignifer)

• Coenagrionidae: Key couplet 40 of 54

• ○ No such markings on thorax or abdomen

• Coenagrionidae: Key couplet 41 of 54

• ○ Synthorax with extensive brown or yellow areas, sometimes pruinescent
  
  ⇒ genus: Pseudagrion

• Coenagrionidae: Key couplet 43 of 54

• 
• ● Ac of hindwing beyond alignment of basal antenodal crossvein
  
  ⇒ genus: Pseudagrion

• Coenagrionidae: Key couplet 49 of 54

• 
• ● Ac of hindwing beyond alignment with basal antenodal crossvein
  
  ⇒ genus: Pseudagrion