DragonflyPix

Pale Hunter (Austrogomphus amphiclitus)

The Pale Hunter (Austrogomphus amphiclitus) 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, 9 of which are pertinent to Austrogomphus amphiclitus. 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.
 GomphidaePale Hunter
(Austrogomphus amphiclitus)
  • 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
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  • ● 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 usually marked with black or chocolate brown
    ○ If yellow or reddish, then tergum 8 substantially black
  • b ↑
  • Gomphidae: Key couplet 32 of 47

  • couplet drawingcouplet drawing
    couplet drawingcouplet drawing
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  • ● Metanepisternum substantially pale
    ● Pterostigma yellow, brown or black, its length more than 3.3 times its maximum width
  • b ↑
  • Gomphidae: Key couplet 33 of 47

  • couplet drawingcouplet drawing
  • ● Black and yellow or greenish-yellow, lacking lilac colouration
    ● Metepimeron posteriorly not margined with brown
  • b ↑
  • Gomphidae: Key couplet 35 of 47

  • couplet drawingcouplet drawing
  • ● Antehumeral stripe with inner margin almost parallel to dorsal carina, its lower end fused with collar
    ● Black mark on lower mesepimeron not extending to metastigma
    ● Metapleural suture not lined with black

    ⇒ genus: Austrogomphus
  • a ↑
  • Gomphidae: Key couplet 36 of 47

  • couplet drawing
  • ● Anal appendages yellow, those of male forked or simple at tip
  • b ↑
  • Gomphidae: Key couplet 38 of 47

  • couplet drawingcouplet drawing
  • ● Superior appendages of male not forked
    ● Female with large, blunt yellow tooth on rear of occiput, just below occipital margin, and two large, black teeth with out-turned tips on postocciput

    ⇒ species: Pale Hunter (Austrogomphus amphiclitus)
  • 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 32 of 47

  • couplet drawingcouplet drawing
  • ● Metanepisternum black, with small yellow dorsal spot
    ● Pterostigma black, swollen, its length less than 3.3 times its maximum width

    ⇒ species: Twinspot Hunter (Austroepigomphus praeruptus)
a ↑
b ↓
  • couplet drawingcouplet drawing
    couplet drawingcouplet drawing
    couplet drawing
  • ● Metanepisternum substantially pale
    ● Pterostigma yellow, brown or black, its length more than 3.3 times its maximum width

6  
  • Gomphidae: Key couplet 33 of 47

  • couplet drawingcouplet drawing
  • ● Brown and cream-coloured, with lilac colouration on side of synthorax, or brown and greenish yellow
    ● Lower half of metepimeron posteriorly margined with brown

    ⇒ genus: Zephyrogomphus
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Black and yellow or greenish-yellow, lacking lilac colouration
    ● Metepimeron posteriorly not margined with brown

7  
  • Gomphidae: Key couplet 35 of 47

  • couplet drawingcouplet drawing
  • ● Antehumeral stripe with inner margin almost parallel to dorsal carina, its lower end fused with collar
    ● Black mark on lower mesepimeron not extending to metastigma
    ● Metapleural suture not lined with black

    ⇒ genus: Austrogomphus
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Antehumeral stripe aslant, isolated or its lower end fused with collar
    ● Black mark on lower mesepimeron extending to level of, or engulfing, metastigma
    ● If not, metapleural suture lined with black

    ⇒ genus: Austrogomphus

8  
  • Gomphidae: Key couplet 36 of 47

  • couplet drawing
  • ● Anal appendages black, those of males forked at tip
a ↑
b ↓
  • couplet drawing
  • ● Anal appendages yellow, those of male forked or simple at tip

9  
  • Gomphidae: Key couplet 38 of 47

  • couplet drawingcouplet drawing
  • ● Superior appendages of male unevenly forked into long, pointed outer branch and short, rounded upper branch
    ● Female occiput unarmed, postocciput with two small, black spines

    ⇒ species: Lemon-Tipped Hunter (Austrogomphus prasinus)
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Superior appendages of male not forked
    ● Female with large, blunt yellow tooth on rear of occiput, just below occipital margin, and two large, black teeth with out-turned tips on postocciput

    ⇒ species: Pale Hunter (Austrogomphus amphiclitus)

Australian distribution