○ Smaller, with abdomen shorter than 42 mm, hindwings shorter than 35 mm ● Fewer than 27 postnodals
b ↑
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
b ↑
Megapodagrionidae: Key couplet 22 of 31
● Pale humeral stripe well developed, conspicuous ○ From eastern Australia
⇒ genus: Griseargiolestes
a ↑
Megapodagrionidae: Key couplet 23 of 31
○ Labium pale
b ↑
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
b ↑
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