○ Damselflies without this combination of characters
b ↑
Coenagrionidae: Key couplet 14 of 54
● Anal vein leaving wing margin nearer to or beyond level of Ac ● Basal segment of hindwing anal vein, if present, not more than half length of Ac
b ↑
Coenagrionidae: Key couplet 35 of 54
○ Damselflies with dark brown or black markings on pale background (reddish, yellow, green, blue, pale brown), or substantially dark, the dark areas in either case often with metallic sheen
b ↑
Coenagrionidae: Key couplet 37 of 54
● Pterostigma of forewing similar in size to that of hindwing ● Female lacking ventral spine on abdominal segment 8
b ↑
Coenagrionidae: Key couplet 38 of 54
● Pterostigma markedly longer than wide
b ↑
Coenagrionidae: Key couplet 40 of 54
○ No such markings on thorax or abdomen
b ↑
Coenagrionidae: Key couplet 41 of 54
○ Synthorax blue and black
b ↑
Coenagrionidae: Key couplet 42 of 54
○ Antealar sinus black
b ↑
Coenagrionidae: Key couplet 44 of 54
○ Abdominal segment 4 and 5 more than half black above
⇒ genus: Austroagrion
b ↑
Coenagrionidae: Key couplet 45 of 54
● Abdominal segment 7 black ● Segment 8 blue, usually with small to large distal, mid-dorsal black mark ● Segment 9 blue with generally large, distal, mid-dorsal black mark
b ↑
Coenagrionidae: Key couplet 46 of 54
● Superior appendages much longer than inferiors
b ↑
Coenagrionidae: Key couplet 47 of 54
● Black marks on abdominal segments 8 and 9 extending full length of segment
● Posterior lobe of pronotum without forwardly directed, finger-like process on each side
b ↑
Coenagrionidae: Key couplet 50 of 54
○ Upper surface of abdominal segment 1 brown to black, with or without orange-brown dorsal and lateral marks ● Anal vein leaving wing margin at Ac
b ↑
Coenagrionidae: Key couplet 51 of 54
○ Synthoracic terga partially dark brown to black ○ Abdominal tergum 1 with triangular to parallel-sided dark brown to black dorsal mark lacking pale mid-dorsal line
⇒ genus: Austroagrion
b ↑
Coenagrionidae: Key couplet 52 of 54
● Central part of posterior lobe of pronotum elongate, broadened at tip