DragonflyPix

Northern Evening Darner (Telephlebia cyclops)

The Northern Evening Darner (Telephlebia cyclops) is a dragonfly species of the family Telephlebiidae and Brachytronidae, which contains 37 species in Australia.

The identification key to the family Telephlebiidae and Brachytronidae consists of 37 couplets, 5 of which are pertinent to Telephlebia cyclops. Click on the numbers on the right to display the corresponding couplets. Or click on the ALLin1 button to see all the relevant couplets together in a single, scrollable window.

#FamilySpeciesCouplet No.
 Telephlebiidae and BrachytronidaeNorthern Evening Darner
(Telephlebia cyclops)
  • Telephlebiidae: Key couplet 1 of 37

  • couplet drawing
  • ● Crossveins present in median space
  • a ↑
  • Telephlebiidae: Key couplet 2 of 37

  • couplet drawing
  • ● Subcosta prolonged into first to third cell distal to nodus
  • b ↑
  • Telephlebiidae: Key couplet 3 of 37

  • couplet drawingcouplet drawing
  • ● Top of frons pointed in front
    ● Pterostigma overlying at least five cells

    ⇒ genus: Telephlebia
  • a ↑
  • Telephlebiidae: Key couplet 4 of 37

  • couplet drawing
  • ● Top of frons with narrow dark mark, rounded or almost straight at sides, its base extending to level of antennal bases
  • b ↑
  • Telephlebiidae: Key couplet 6 of 37

  • couplet drawing
    couplet drawingcouplet drawing
  • ● Waist on abdominal segment 3 of male markedly narrower than that on segment 4
    ● Abdominal segment 4 of female almost parallel-sided
    ● Tips of superior anal appendages of male pointed and convergent

    ⇒ species: Northern Evening Darner (Telephlebia cyclops)
  • a ↑
1  
  • Telephlebiidae: Key couplet 1 of 37

  • couplet drawing
  • ● Crossveins present in median space
a ↑
b ↓
  • couplet drawing
  • ● No crossveins in median space

2  
  • Telephlebiidae: Key couplet 2 of 37

  • couplet drawing
  • ● Subcosta ending at nodus

    ⇒ species: Wide-Faced Darner (Dendroaeschna conspersa)
a ↑
b ↓
  • couplet drawing
  • ● Subcosta prolonged into first to third cell distal to nodus

3  
  • Telephlebiidae: Key couplet 3 of 37

  • couplet drawingcouplet drawing
  • ● Top of frons pointed in front
    ● Pterostigma overlying at least five cells

    ⇒ genus: Telephlebia
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Top of frons rounded in front
    ● Pterostigma overlying no more than three cells

    ⇒ species: Terrestrial Evening Darner (Antipodophlebia asthenes)

4  
  • Telephlebiidae: Key couplet 4 of 37

  • couplet drawing
  • ● Top of frons with wide, subtriangular dark mark, almost extending to outer edge
a ↑
b ↓
  • couplet drawing
  • ● Top of frons with narrow dark mark, rounded or almost straight at sides, its base extending to level of antennal bases

5  
  • Telephlebiidae: Key couplet 6 of 37

  • couplet drawing
    couplet drawingcouplet drawing
  • ● Waist on abdominal segment 3 of male markedly narrower than that on segment 4
    ● Abdominal segment 4 of female almost parallel-sided
    ● Tips of superior anal appendages of male pointed and convergent

    ⇒ species: Northern Evening Darner (Telephlebia cyclops)
a ↑
b ↓
  • couplet drawing
    couplet drawing
    couplet drawingcouplet drawingcouplet drawing
  • ● Waist on abdominal segment 3 of male little narrower than that on segment 4
    ● Abdominal segment 4 of female markedly constricted
    ● Tips of superior anal appendages of male pointed but not convergent

Australian distribution