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Zebra Vicetail (Hemigomphus comitatus)

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PhotoID: AusDr274. Zebra Vicetail (Hemigomphus comitatus) - male
Zebra Vicetail (Hemigomphus comitatus) ♂

1 / 4; PhotoID: AusDr274 23/11/2011 11:18 F8 1/250 180mm ISO400 Canon7D -Crop -Flash MF
Johnstone River near Malanda, QLD [-17.357283°; 145.635183°]
PhotoID: AusDr275. Zebra Vicetail (Hemigomphus comitatus) - male
Zebra Vicetail (Hemigomphus comitatus) ♂

2 / 4; PhotoID: AusDr275 23/11/2011 11:23 F8 1/250 180mm ISO400 Canon7D -Crop -Flash MF
Johnstone River near Malanda, QLD [-17.357283°; 145.635183°]
PhotoID: AusDr276. Zebra Vicetail (Hemigomphus comitatus) - male
Zebra Vicetail (Hemigomphus comitatus) ♂

3 / 4; PhotoID: AusDr276 23/11/2011 11:25 F8 1/320 180mm ISO400 Canon7D -Crop -Flash MF
Johnstone River near Malanda, QLD [-17.357283°; 145.635183°]
PhotoID: AusDr277. Zebra Vicetail (Hemigomphus comitatus) - male
Zebra Vicetail (Hemigomphus comitatus) ♂

4 / 4; PhotoID: AusDr277 23/11/2011 11:25 F8 1/160 180mm ISO200 Canon7D -Crop -Flash MF
Johnstone River near Malanda, QLD [-17.357283°; 145.635183°]

Zebra Vicetail (Hemigomphus comitatus)

Australian distribution of Hemigomphus comitatus

Inhabits streams and rivers, not necessarily in rainforest

© 2011 DECCW, NSW and DragonflyPix.com

  • 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
    couplet drawingcouplet drawing
    couplet drawingcouplet drawing
  • ● Superior anal appendages converging at tips, bearing basal, ventral to lateral spine or toothed spur
b ↑
  • Gomphidae: Key couplet 11 of 47

  • couplet drawingcouplet drawing
  • ● 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

  • couplet drawingcouplet drawing
  • ● 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

  • couplet drawing
    couplet drawingcouplet drawing
  • ● Tip of superior appendage abruptly folded inward
    ● Setal tufts present or absent on sternite 7
b ↑
  • Gomphidae: Key couplet 16 of 47

  • couplet drawing
  • ● Setal tufts lacking from sternite 7

    ⇒ species: Zebra Vicetail (Hemigomphus comitatus)
a ↑
  • 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 ↑
  • Gomphidae: Key couplet 20 of 47

  • couplet drawing
  • ● Ovipositor less than half length of sternum 9
b ↑
  • Gomphidae: Key couplet 21 of 47

  • couplet drawing
  • ● Two or three (occasionally one) crossveins between sectors of arculus proximal to fork of Rs in hindwing
    ○ From eastern and northern Australia

    ⇒ genus: Hemigomphus
b ↑
  • Gomphidae: Key couplet 22 of 47

  • couplet drawingcouplet drawing
  • ● Occiput armed with central, more or less upright spine
a ↑
  • Gomphidae: Key couplet 23 of 47

  • couplet drawing
  • ● Occiput spine stout, irregular conical, slanting rearwards

    ⇒ species: Zebra Vicetail (Hemigomphus comitatus)
a ↑