● Last prominent fork of IR3 at or near level of distal end of pterostigma in both wings ● Margin of hindwing rounded in both sexes, male lacking anal triangle and auricles
⇒ genus: Anax
a ↑
Aeshnidae: Key couplet 2 of 12
● Sides of abdominal terga evenly rounded in male, strongly ridged on terga 7-8 or 7-9 in female