● Generally no incomplete antenodal crossvein proximal to Ax1 in any wing ● End of abdomen not elongate, mid-dorsal length of abdominal tergum 9 less than 2.3 mm in male, 2.1 mm in female
b ↑
Gomphidae: Key couplet 10 of 47
● Superior anal appendages converging at tips, bearing basal, ventral to lateral spine or toothed spur
b ↑
Gomphidae: Key couplet 11 of 47
● Upper projection of bipartite sternum 11 concealed by basal, toothed spine of superior anal appendage ○ From eastern and northern Australia
⇒ genus: Hemigomphus
a ↑
Gomphidae: Key couplet 12 of 47
● Abdominal sternites 7 and/or 8 each with pair of strong, central setal tufts protruding below ventral carina
b ↑
Gomphidae: Key couplet 13 of 47
● Tip of superior appendage smoothly curved inwards ● Setal tufts on sternite 7 and 8
a ↑
Gomphidae: Key couplet 14 of 47
● Abdominal terga 4-7 with basal yellow ring, or basal pair of large yellow spots, narrowly separated in midline
b ↑
Gomphidae: Key couplet 15 of 47
● Superior appendages widely separated at base, maximum separation more than 1.05 mm ● Inner margin of superior appendage convex beyond basal divergence, curving smoothly into distal convergence