● Arculus in hindwing situated beyond distal antenodal crossvein by at least the length of subcostal part of antenodal ○ Very small damselflies, hindwing shorter than 14 mm
⇒ genus: Agriocnemis
a ↑
Coenagrionidae: Key couplet 3 of 54
● Inferior anal appendages almost the same length as, or shorter than, superiors
b ↑
Coenagrionidae: Key couplet 4 of 54
● Tips of superior appendages not converging
b ↑
Coenagrionidae: Key couplet 6 of 54
● Black line present along upper half or more of metapleural suture
⇒ species: Pilbara Wisp (Agriocnemis kunjina)
a ↑
Coenagrionidae: Key couplet 8 of 54
● Posterior lobe of pronotum well developed
b ↑
Coenagrionidae: Key couplet 9 of 54
● Central part of posterior lobe of pronotum, if differentiated from rest, a single, upright flap, or depressed
b ↑
Coenagrionidae: Key couplet 10 of 54
● Posterior lobe of pronotum upright, shallowly to deeply depressed in midline
a ↑
Coenagrionidae: Key couplet 11 of 54
● Black line present along upper half or more of metapleural suture