Grey Flatwing (Griseargiolestes griseus)

Grey Flatwing (Griseargiolestes griseus)

Inhabits boggy seepages and peat bogs along the margins of small streams

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

• Megapodagrionidae: Key couplet 1 of 31

• 
• ○ Smaller, with abdomen shorter than 42 mm, hindwings shorter than 35 mm
  ● Fewer than 27 postnodals

• Megapodagrionidae: Key couplet 2 of 31

• 
• ● Generally two, sometimes three, cells in discoidal field between discoidal cell and level of subnodus
  ● Male superior anal appendage without ventral spur

• Megapodagrionidae: Key couplet 22 of 31

• 
• ● Pale humeral stripe well developed, conspicuous
  ○ From eastern Australia
  
  ⇒ genus: Griseargiolestes

• Megapodagrionidae: Key couplet 23 of 31

• ○ Labium pale

• Megapodagrionidae: Key couplet 24 of 31

• 
• ● Black marking on metepimeron much more extensive, occupying approximately half of width and at least one third of length of epimeron

• Megapodagrionidae: Key couplet 27 of 31

• 
• ● Mesepimeral portion of humeral stripe substantial, much wider than the adjacent part of episternal portion
  ● Pale lateral marks on median and posterior lobes of pronotum fused
  
  ⇒ species: Grey Flatwing (Griseargiolestes griseus)