○ 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
○ Extensive dull orange to red markings on head, thorax and anterior abdomen
⇒ species: Red & Blue Damsel (Xanthagrion erythroneurum)
a ↑
Coenagrionidae: Key couplet 48 of 54
● 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, between wing bases, pale orange ○ Abdominal tergum 1 with triangular bronze dorsal mark partly divided by anterior, orange mid-dorsal line
⇒ species: Red & Blue Damsel (Xanthagrion erythroneurum)