DragonflyPix

Ochre-Tipped Darner (Dromaeschna weiskei)

The Ochre-Tipped Darner (Dromaeschna weiskei) 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 Dromaeschna weiskei. 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 BrachytronidaeOchre-Tipped Darner
(Dromaeschna weiskei)
  • Telephlebiidae: Key couplet 1 of 37

  • couplet drawing
  • ● No crossveins in median space
  • b ↑
  • Telephlebiidae: Key couplet 9 of 37

  • couplet drawing
  • ○ Wings hyaline
    ● Two to four, occasionally five, cells in triangles and hypertriangles
  • b ↑
  • Telephlebiidae: Key couplet 11 of 37

  • couplet drawingcouplet drawing
  • ● Both wings with a single supplementary radial vein (Rspl)
    ● Posterior angle of hindwing triangle and 1A joined by a short crossvein
  • b ↑
  • Telephlebiidae: Key couplet 12 of 37

  • couplet drawingcouplet drawing
  • ● Male with three or fewer, or without, distinct longitudinal dorsal ridges on segment 10
    ○ Anal appendages of female shorter than to slightly longer than segment 10
    ● Supra-anal plate rounded to subtriangular

    ⇒ genus: Austroaeschna and Dromaeschna
  • a ↑
  • Telephlebiidae: Key couplet 13 of 37

  • ○ Abdominal segments 9 and 10 and anal appendages bright ochreous or rusty red-brown
    ○ Synthorax dark brown with jade green markings, all but last abdominal segments dark brown and ochreous

    ⇒ species: Ochre-Tipped Darner (Dromaeschna weiskei)
  • 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 9 of 37

  • couplet drawing
  • ○ Wings with dark band just behind anterior margin
    ● Six to twelve cells in triangles and hypertriangles

    ⇒ genus: Austrophlebia
a ↑
b ↓
  • couplet drawing
  • ○ Wings hyaline
    ● Two to four, occasionally five, cells in triangles and hypertriangles

3  
  • Telephlebiidae: Key couplet 11 of 37

  • couplet drawingcouplet drawing
  • ● Both wings with two supplementary radial veins (Rspl1 and Rspl2)
    ● Posterior angle of hindwing triangle meeting 1A

    ⇒ species: Thylacine Darner (Acanthaeschna victoria)
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Both wings with a single supplementary radial vein (Rspl)
    ● Posterior angle of hindwing triangle and 1A joined by a short crossvein

4  
  • Telephlebiidae: Key couplet 12 of 37

  • couplet drawingcouplet drawing
  • ● Male with three or fewer, or without, distinct longitudinal dorsal ridges on segment 10
    ○ Anal appendages of female shorter than to slightly longer than segment 10
    ● Supra-anal plate rounded to subtriangular

    ⇒ genus: Austroaeschna and Dromaeschna
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Male with five distinct longitudinal dorsal ridges on segment 10
    ○ Anal appendages of female at least twice as long as segment 10 (sometimes broken, thus appearing short)
    ● Supra-anal plate ending in long prominent spine

5  
  • Telephlebiidae: Key couplet 13 of 37

  • ○ Abdominal segments 9 and 10 and anal appendages bright ochreous or rusty red-brown
    ○ Synthorax dark brown with jade green markings, all but last abdominal segments dark brown and ochreous

    ⇒ species: Ochre-Tipped Darner (Dromaeschna weiskei)
a ↑
b ↓
  • ○ Abdominal segments 9 and 10 and anal appendages largely dark brown or black

Australian distribution