DragonflyPix

Western Red Hunter (Austroepigomphus gordoni)

The Western Red Hunter (Austroepigomphus gordoni) 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, 7 of which are pertinent to Austroepigomphus gordoni. 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.

#FamilySpeciesCouplet No.
 GomphidaeWestern Red Hunter
(Austroepigomphus gordoni)
  • Gomphidae: Key couplet 1 of 47

  • couplet drawingcouplet drawing
  • ● 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

  • couplet drawingcouplet drawing
  • ● Superior anal appendages parallel or divergent, not converging at tips, each bearing a long, curved ventrobasal branch
  • a ↑
  • Gomphidae: Key couplet 19 of 47

  • couplet drawing
    couplet drawing
    couplet drawing
  • ● Anterior of abdominal segments 3 and 4 with mid-dorsal yellow band, sometimes narrow, or entirely yellow
  • b ↑
  • Gomphidae: Key couplet 27 of 47

  • ○ Abdominal terga 9-10 yellow or pale reddish brown
    ○ Tergum 8 similar or with dark reddish brown to black distal half
  • a ↑
  • Gomphidae: Key couplet 28 of 47

  • ○ Hindwing longer than 21.5 mm
  • a ↑
  • Gomphidae: Key couplet 29 of 47

  • couplet drawingcouplet drawing
  • ● Postclypeus yellow

    ⇒ genus: Austroepigomphus
  • b ↑
  • Gomphidae: Key couplet 30 of 47

  • couplet drawingcouplet drawing
  • ● Anterior frons reddish yellow, or with reddish brown to reddish grey transverse bar
    ● Humeral stripe meeting collar
    ○ Abdominal tergum 7 yellow to yellowish red

    ⇒ species: Western Red Hunter (Austroepigomphus gordoni)
  • b ↑
1  
  • Gomphidae: Key couplet 1 of 47

  • couplet drawingcouplet drawing
  • ● 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 ↓
  • couplet drawingcouplet drawing
  • ● 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 Male only
  • Gomphidae: Key couplet 10 of 47

  • couplet drawingcouplet drawing
  • ● Superior anal appendages parallel or divergent, not converging at tips, each bearing a long, curved ventrobasal branch
a ↑
b ↓
  • couplet drawingcouplet drawing
    couplet drawingcouplet drawing
    couplet drawingcouplet drawing
  • ● Superior anal appendages converging at tips, bearing basal, ventral to lateral spine or toothed spur

3 Female only
  • Gomphidae: Key couplet 19 of 47

  • couplet drawing
  • ● Anterior part of abdominal segments 3 and 4, in front of supplementary transverse carina, with broad, mid-dorsal black patch or band
a ↑
b ↓
  • couplet drawing
    couplet drawing
    couplet drawing
  • ● Anterior of abdominal segments 3 and 4 with mid-dorsal yellow band, sometimes narrow, or entirely yellow

4  
  • Gomphidae: Key couplet 27 of 47

  • ○ Abdominal terga 9-10 yellow or pale reddish brown
    ○ Tergum 8 similar or with dark reddish brown to black distal half
a ↑
b ↓
  • ○ Abdominal terga 9-10 usually marked with black or chocolate brown
    ○ If yellow or reddish, then tergum 8 substantially black

5  
  • Gomphidae: Key couplet 28 of 47

  • ○ Hindwing longer than 21.5 mm
a ↑
b ↓
  • ○ Hindwing shorter than 21.5 mm

    ⇒ genus: Austrogomphus

6  
  • Gomphidae: Key couplet 29 of 47

  • couplet drawing
  • ● Postclypeus largely black

    ⇒ species: Kimberley Hunter (Austrogomphus mouldsorum)
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Postclypeus yellow

    ⇒ genus: Austroepigomphus

7  
  • Gomphidae: Key couplet 30 of 47

  • couplet drawingcouplet drawing
  • ● Anterior frons extensively black
    ● Humeral stripe generally not meeting collar
    ○ Distal third of abdominal tergum 7 dark reddish brown to black, rarely paler

    ⇒ species: Flame-Tipped Hunter (Austroepigomphus turneri)
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Anterior frons reddish yellow, or with reddish brown to reddish grey transverse bar
    ● Humeral stripe meeting collar
    ○ Abdominal tergum 7 yellow to yellowish red

    ⇒ species: Western Red Hunter (Austroepigomphus gordoni)

Australian distribution