● 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 lying outside base of superior anal appendage, its upper end turned to rear and toothed or sculptured
b ↑
Gomphidae: Key couplet 18 of 47
● One crossvein between sectors of arculus proximal to fork of Rs in hindwing ● Superior appendages with lateroventral spine near base ○ From south-western Australia
⇒ species: Armourtail (Armagomphus armiger)
a ↑
Gomphidae: Key couplet 19 of 47
● Anterior part of abdominal segments 3 and 4, in front of supplementary transverse carina, with broad, mid-dorsal black patch or band
a ↑
Gomphidae: Key couplet 20 of 47
● Ovipositor less than half length of sternum 9
b ↑
Gomphidae: Key couplet 21 of 47
● One crossvein between sectors of arculus proximal to fork of Rs in hindwing ○ From south-western Australia