DragonflyPix

Tropical Flatwing (Austroargiolestes aureus)

The Tropical Flatwing (Austroargiolestes aureus) is a damselfly species of the family Megapodagrionidae, which contains 22 species in Australia.

The identification key to the family Megapodagrionidae consists of 31 couplets, 4 of which are pertinent to Austroargiolestes aureus. 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.
 MegapodagrionidaeTropical Flatwing
(Austroargiolestes aureus)
  • Megapodagrionidae: Key couplet 1 of 31

  • couplet drawing
  • ○ Smaller, with abdomen shorter than 42 mm, hindwings shorter than 35 mm
    ● Fewer than 27 postnodals
  • b ↑
  • Megapodagrionidae: Key couplet 2 of 31

  • couplet drawingcouplet drawing
  • ● Generally three or more cells, rarely two in discoidal field between discoidal cell and level of subnodus
    ● Male superior anal appendages with ventral spur

    ⇒ genus: Austroargiolestes
  • a ↑
  • Megapodagrionidae: Key couplet 3 of 31

  • couplet drawing
  • ● Anterior frons and postclypeus largely pale, yellowish or reddish orange
  • a ↑
  • Megapodagrionidae: Key couplet 4 of 31

  • couplet drawing
  • ● Abdominal tergum 2 black without any conspicuous bright dorsal mark

    ⇒ species: Tropical Flatwing (Austroargiolestes aureus)
  • b ↑
1  
  • Megapodagrionidae: Key couplet 1 of 31

  • couplet drawing
  • ○ Large, with abdomen longer than 42 mm
    ○ hindwings longer than 40 mm
    ● More than 27 postnodals

    ⇒ species: Treehole Flatwing (Podopteryx selysi)
a ↑
b ↓
  • couplet drawing
  • ○ Smaller, with abdomen shorter than 42 mm, hindwings shorter than 35 mm
    ● Fewer than 27 postnodals

2  
  • Megapodagrionidae: Key couplet 2 of 31

  • couplet drawingcouplet drawing
  • ● Generally three or more cells, rarely two in discoidal field between discoidal cell and level of subnodus
    ● Male superior anal appendages with ventral spur

    ⇒ genus: Austroargiolestes
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Generally two, sometimes three, cells in discoidal field between discoidal cell and level of subnodus
    ● Male superior anal appendage without ventral spur

3  
  • Megapodagrionidae: Key couplet 3 of 31

  • couplet drawing
  • ● Anterior frons and postclypeus largely pale, yellowish or reddish orange
a ↑
b ↓
  • couplet drawing
  • ● Anterior frons, clypeus and labrum dark greenish brown to black

4  
  • Megapodagrionidae: Key couplet 4 of 31

  • couplet drawing
  • ● Abdominal tergum 2 black with conspicuous white to orange dorsal mark, shaped like a thick-stemmed wineglass

    ⇒ species: Flame Flatwing (Austroargiolestes amabilis)
a ↑
b ↓
  • couplet drawing
  • ● Abdominal tergum 2 black without any conspicuous bright dorsal mark

    ⇒ species: Tropical Flatwing (Austroargiolestes aureus)

Australian distribution