Southern Dragon (Antipodogomphus acolythus)

The Southern Dragon (Antipodogomphus acolythus) is a dragonfly species of the family Gomphidae, which contains 35 species in Australia.

The identification key to the family Gomphidae consists of 47 couplets, 3 of which are pertinent to Antipodogomphus acolythus. Click on the numbers on the right to display the corresponding couplets. Or click on the ALLin1 button to see all the relevant couplets together in a single, scrollable window.

#	Family	Species	Couplet No.
	Gomphidae	Southern Dragon (Antipodogomphus acolythus)	Gomphidae: Key couplet 1 of 47 ● Incomplete (subcostal) antenodal crossvein proximal to Ax1 usually present in forewings, sometimes lacking in hindwings ● End of abdomen elongate, mid-dorsal length of abdominal tergum 9 more than 2.4 mm in male, 2.3 mm in female ⇒ genus: Antipodogomphus a ↑ Gomphidae: Key couplet 2 of 47 ○ Abdominal terga 9-10 mainly black above ● Terga 3-5 with yellow mid-dorsal line, sometimes fused to anterior yellow ring b ↑ Gomphidae: Key couplet 4 of 47 ● Humeral stripe reduced to two small, yellow patches: an upper, rounded spot below the antealar ridge and a central, short linear spot ○ Abdominal tergum 9 black ⇒ species: Southern Dragon (Antipodogomphus acolythus) a ↑
1			Gomphidae: Key couplet 1 of 47 ● Incomplete (subcostal) antenodal crossvein proximal to Ax1 usually present in forewings, sometimes lacking in hindwings ● End of abdomen elongate, mid-dorsal length of abdominal tergum 9 more than 2.4 mm in male, 2.3 mm in female ⇒ genus: Antipodogomphus a ↑ b ↓ ● 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
2			Gomphidae: Key couplet 2 of 47 ○ Abdominal terga 9-10 reddish yellow ● Abdominal terga 4-5 with short, black mid-dorsal line, faint in very pale individuals, often fused with transverse black ring on supplementary transverse carina a ↑ b ↓ ○ Abdominal terga 9-10 mainly black above ● Terga 3-5 with yellow mid-dorsal line, sometimes fused to anterior yellow ring
3			Gomphidae: Key couplet 4 of 47 ● Humeral stripe reduced to two small, yellow patches: an upper, rounded spot below the antealar ridge and a central, short linear spot ○ Abdominal tergum 9 black ⇒ species: Southern Dragon (Antipodogomphus acolythus) a ↑ b ↓ ● Humeral stripe divided into three spots, almost equally spaced, the lowermost usually fused with outer end of collar ○ Abdominal tergum 9 with basal and apical yellow spots on each side