● Distal antenodal of forewing incomplete, only the costal section present
b ↑
Libellulidae: Key couplet 35 of 67
● Hindwing triangle free
b ↑
Libellulidae: Key couplet 39 of 67
○ Not as above
b ↑
Libellulidae: Key couplet 40 of 67
● Base of hindwing triangle at or slightly proximal to arculus
b ↑
Libellulidae: Key couplet 41 of 67
● Tip of anal loop closed, the bounding veins meeting midvein one row of cells away from wing margin
b ↑
Libellulidae: Key couplet 45 of 67
● Basal side of forewing subtriangle poorly defined ● If recognisable, containing more than three cells
b ↑
Libellulidae: Key couplet 56 of 67
○ Wing membrane hyaline or yellow, with, at most, dark markings at extreme wing tip, beyond pterostigma
a ↑
Libellulidae: Key couplet 57 of 67
○ Abdomen brownish yellow to orange red, with black markings on some segments
b ↑
Libellulidae: Key couplet 58 of 67
● Arculus situated between first two antenodal crossveins ○ Male abdomen brownish-yellow to orange-red, with black dorsal markings, broadest on segments 8-9